libstdc++-v3/ChangeLog

   1 2018-11-11  Hans-Peter Nilsson  <hp@axis.com>
   2
   3         PR libstdc++-v3/54005
   4         * include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(),
   5         __atomic_base<_PTp*>::is_lock_free()): Call __atomic_always_lock_free
   6         with the type-derived _S_alignment instead of __alignof the object.
   7         * include/std/atomic (atomic<T>::is_lock_free()): Likewise.
   8
   9 2018-11-11  Jonathan Wakely  <jwakely@redhat.com>
  10
  11         Implement P0318R1 unwrap_ref_decay and unwrap_reference
  12         * include/std/type_traits (unwrap_reference, unwrap_reference_t)
  13         (unwrap_ref_decay, unwrap_ref_decay_t): New traits and aliases.
  14         * testsuite/20_util/unwrap_reference/1.cc: New test.
  15         * testsuite/20_util/unwrap_reference/2.cc: New test.
  16
  17         Implement P1007R3 std::assume_aligned
  18         * include/std/memory (assume_aligned): Implement for C++17.
  19         * testsuite/20_util/assume_aligned/1.cc: New test.
  20         * testsuite/20_util/assume_aligned/2_neg.cc: New test.
  21         * testsuite/20_util/assume_aligned/3.cc: New test.
  22
  23 2018-11-09  Jonathan Wakely  <jwakely@redhat.com>
  24
  25         PR libstdc++/87787
  26         * include/bits/stl_uninitialized.h (__relocate_a_1): Do not call
  27         memmove when there's nothing to copy (and pointers could be null).
  28
  29 2018-11-07  Hafiz Abid Qadeer  <abidh@codesourcery.com>
  30
  31         * configure: Regenerated.
  32
  33 2018-11-07  Jonathan Wakely  <jwakely@redhat.com>
  34
  35         * config/abi/pre/gnu.ver: Fix patterns for size_t parameters.
  36
  37 2018-11-06  Jonathan Wakely  <jwakely@redhat.com>
  38
  39         Implement std::pmr::unsynchronized_pool_resource
  40         * config/abi/pre/gnu.ver: Add new symbols.
  41         * include/std/memory_resource (std::pmr::__pool_resource): New class.
  42         (std::pmr::unsynchronized_pool_resource): New class.
  43         * src/c++17/Makefile.am: Add -fimplicit-templates to flags for
  44         memory_resource.cc
  45         * src/c++17/Makefile.in: Regenerate.
  46         * src/c++17/memory_resource.cc (bitset, chunk, big_block): New
  47         internal classes.
  48         (__pool_resource::_Pool): Define new class.
  49         (munge_options, pool_index, select_num_pools): New internal functions.
  50         (__pool_resource::__pool_resource, __pool_resource::~__pool_resource)
  51         (__pool_resource::allocate, __pool_resource::deallocate)
  52         (__pool_resource::_M_alloc_pools): Define member functions.
  53         (unsynchronized_pool_resource::unsynchronized_pool_resource)
  54         (unsynchronized_pool_resource::~unsynchronized_pool_resource)
  55         (unsynchronized_pool_resource::release)
  56         (unsynchronized_pool_resource::_M_find_pool)
  57         (unsynchronized_pool_resource::do_allocate)
  58         (unsynchronized_pool_resource::do_deallocate): Define member
  59         functions.
  60         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: New
  61         test.
  62         * testsuite/20_util/unsynchronized_pool_resource/is_equal.cc: New
  63         test.
  64         * testsuite/20_util/unsynchronized_pool_resource/options.cc: New
  65         test.
  66         * testsuite/20_util/unsynchronized_pool_resource/release.cc: New
  67         test.
  68
  69 2018-11-06  John Bytheway  <jbytheway@gmail.com>
  70
  71         PR libstdc++/87872
  72         * include/debug/safe_sequence.tcc
  73         (_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self.
  74
  75 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
  76
  77         PR bootstrap/82856
  78         * Makefile.am: Include multilib.am.
  79         * configure.ac: Remove AC_PREREQ.
  80         * Makefile.in, aclocal.m4, configure, doc/Makefile.in,
  81         include/Makefile.in, libsupc++/Makefile.in, po/Makefile.in,
  82         python/Makefile.in, src/Makefile.in, src/c++11/Makefile.in,
  83         src/c++17/Makefile.in, src/c++98/Makefile.in,
  84         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
  85
  86 2018-10-31  Jonathan Wakely  <jwakely@redhat.com>
  87
  88         * testsuite/20_util/pair/87822.cc: Test deeper nesting.
  89
  90         PR libstdc++/87822
  91         * include/bits/stl_pair.h (__pair_base): Change to class template.
  92         (pair): Make base class type depend on template parameters.
  93         * testsuite/20_util/pair/87822.cc: New test.
  94
  95 2018-10-30  Marek Polacek  <polacek@redhat.com>
  96
  97         Implement P0892R2, explicit(bool).
  98         * testsuite/20_util/any/cons/explicit.cc: Adjust dg-error.
  99         * testsuite/20_util/pair/cons/explicit_construct.cc: Likewise.
 100         * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
 101
 102 2018-10-30  Jonathan Wakely  <jwakely@redhat.com>
 103
 104         PR libstdc++/87809
 105         * include/bits/forward_list.h (_Fwd_list_impl::_Fwd_list_impl()): Use
 106         trait in exception-specification instead of possibly invalid
 107         expression.
 108         * include/bits/stl_bvector.h (_Bvector_impl::_Bvector_impl()):
 109         Likewise.
 110         * include/bits/stl_list.h (_List_impl::_List_impl()): Likewise.
 111         * include/bits/stl_vector.h (_Vector_impl::_Vector_impl()): Likewise.
 112         * testsuite/23_containers/forward_list/cons/87809.cc: New test.
 113         * testsuite/23_containers/list/cons/87809.cc: New test.
 114         * testsuite/23_containers/vector/bool/cons/87809.cc: New test.
 115         * testsuite/23_containers/vector/cons/87809.cc: New test.
 116
 117         PR libstdc++/87784
 118         * include/tr2/dynamic_bitset (dynamic_bitset::push_back): When there
 119         are no unused bits in the last block, append a new block with the
 120         right value so the bit doesn't need to be set. Only increment size
 121         after setting the new bit, not before.
 122         * testsuite/tr2/dynamic_bitset/pr87784.cc: New test.
 123
 124 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
 125
 126         * testsuite/17_intro/using_namespace_std_exp_neg.cc: Remove
 127         "expected namespace-name before" error.
 128         * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Likewise.
 129
 130 2018-10-28  François Dumont  <fdumont@gcc.gnu.org>
 131
 132         * testsuite/23_containers/deque/48101_neg.cc: Remove dg-prune-output
 133         'std' from regex pattern for versioned namespace compatibility.
 134         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 135         * testsuite/27_io/filesystem/path/io/dr2989.cc: Likewise.
 136
 137 2018-10-25  Jonathan Wakely  <jwakely@redhat.com>
 138
 139         PR libstdc++/87749
 140         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 141         (basic_string::operator=(basic_string&&)): For short strings copy the
 142         buffer inline. Only fall back to using assign(const basic_string&) to
 143         do a deep copy when reallocation is needed.
 144         * testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc:
 145         New test.
 146         * testsuite/21_strings/basic_string/modifiers/assign/char/
 147         move_assign_optim.cc: New test.
 148         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc:
 149         New test.
 150         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
 151         move_assign_optim.cc: New test.
 152
 153 2018-10-25  Marc Glisse  <marc.glisse@inria.fr>
 154
 155         PR libstdc++/87106
 156         * include/bits/alloc_traits.h (_S_construct, _S_destroy, construct,
 157         destroy): Add noexcept specification.
 158         * include/bits/allocator.h (construct, destroy): Likewise.
 159         * include/ext/alloc_traits.h (construct, destroy): Likewise.
 160         * include/ext/malloc_allocator.h (construct, destroy): Likewise.
 161         * include/ext/new_allocator.h (construct, destroy): Likewise.
 162         * include/bits/stl_uninitialized.h (__relocate_object_a, __relocate_a,
 163         __relocate_a_1): New functions.
 164         (__is_trivially_relocatable): New class.
 165         * include/bits/stl_vector.h (__use_relocate): New static member.
 166         * include/bits/vector.tcc (reserve, _M_realloc_insert,
 167         _M_default_append): Use __relocate_a.
 168         (reserve, _M_assign_aux, _M_realloc_insert, _M_fill_insert,
 169         _M_default_append, _M_range_insert): Move _GLIBCXX_ASAN_ANNOTATE_REINIT
 170         after _Destroy.
 171         * testsuite/23_containers/vector/modifiers/push_back/49836.cc:
 172         Replace CopyConsOnlyType with DelAnyAssign.
 173
 174 2018-10-24  François Dumont  <fdumont@gcc.gnu.org>
 175
 176         * include/debug/safe_unordered_container.h
 177         (_Safe_unordered_container<>::_M_invalidate_locals): Take lambda
 178         parameter type from local end variable.
 179         (_Safe_unordered_container<>::_M_invalidate_all): Likewise.
 180         * include/debug/unordered_map
 181         (unordered_map<>::begin()): Use C++11 direct initialization.
 182         (unordered_map<>::end()): Likewise.
 183         (unordered_map<>::cbegin()): Likewise.
 184         (unordered_map<>::cend()): Likewise.
 185         (unordered_map<>::begin(size_type)): Likewise.
 186         (unordered_map<>::end(size_type)): Likewise.
 187         (unordered_map<>::cbegin(size_type)): Likewise.
 188         (unordered_map<>::cend(size_type)): Likewise.
 189         (unordered_map<>::emplace<>(_Args&&...)): Likewise.
 190         (unordered_map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 191         (unordered_map<>::insert(const value_type&)): Likewise.
 192         (unordered_map<>::insert(value_type&&)): Likewise.
 193         (unordered_map<>::insert<>(_Pair&&)): Likewise.
 194         (unordered_map<>::insert(const_iterator, const value_type&)): Likewise.
 195         (unordered_map<>::insert(const_iterator, value_type&&)): Likewise.
 196         (unordered_map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 197         (unordered_map<>::try_emplace<>(const key_type&, _Args&&...)): Likewise.
 198         (unordered_map<>::try_emplace<>(key_type&&, _Args&&...)): Likewise.
 199         (unordered_map<>::try_emplace<>(const_iterator, const key_type&,
 200         _Args&&...)): Likewise.
 201         (unordered_map<>::try_emplace<>(const_iterator, key_type&&,
 202         _Args&&...)): Likewise.
 203         (unordered_map<>::insert_or_assign<>(const key_type&, _Obj&&)): Likewise.
 204         (unordered_map<>::insert_or_assign<>(key_type&&, _Obj&&)): Likewise.
 205         (unordered_map<>::insert_or_assign<>(const_iterator, const key_type&,
 206         _Obj&&)): Likewise.
 207         (unordered_map<>::insert_or_assign<>(const_iterator, key_type&&,
 208         _Obj&&)): Likewise.
 209         (unordered_map<>::insert(note_type&&)): Likewise.
 210         (unordered_map<>::find(const key_type&)): Likewise.
 211         (unordered_map<>::equal_range(const key_type&)): Likewise.
 212         (unordered_map<>::_M_extract): New.
 213         (unordered_map<>::extract(const_iterator)): Use latter.
 214         (unordered_map<>::extract(const key_type&)): Likewise.
 215         (unordered_map<>::_M_erase): New.
 216         (unordered_map<>::erase(const key_type&)): Use latter.
 217         (unordered_map<>::erase(const_iterator)): Likewise.
 218         (unordered_map<>::erase(iterator)): Likewise.
 219         (unordered_map<>::_M_invalidate): New.
 220         (unordered_map<>::erase(const_iterator, const_iterator)): Use latter.
 221         (unordered_multimap<>::begin()): Use C++11 direct initialization.
 222         (unordered_multimap<>::end()): Likewise.
 223         (unordered_multimap<>::cbegin()): Likewise.
 224         (unordered_multimap<>::cend()): Likewise.
 225         (unordered_multimap<>::begin(size_type)): Likewise.
 226         (unordered_multimap<>::end(size_type)): Likewise.
 227         (unordered_multimap<>::cbegin(size_type)): Likewise.
 228         (unordered_multimap<>::cend(size_type)): Likewise.
 229         (unordered_multimap<>::emplace<>(_Args&&...)): Likewise.
 230         (unordered_multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 231         (unordered_multimap<>::insert(const value_type&)): Likewise.
 232         (unordered_multimap<>::insert(const_iterator, const value_type&)): Likewise.
 233         (unordered_multimap<>::insert(const_iterator, value_type&&)): Likewise.
 234         (unordered_multimap<>::insert<>(_Pair&&)): Likewise.
 235         (unordered_multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 236         (unordered_multimap<>::insert(note_type&&)): Likewise.
 237         (unordered_multimap<>::insert(const_iterator, note_type&&)): Likewise.
 238         (unordered_multimap<>::find(const key_type&)): Likewise.
 239         (unordered_multimap<>::equal_range(const key_type&)): Likewise.
 240         (unordered_multimap<>::_M_extract): New.
 241         (unordered_multimap<>::extract(const_iterator)): Use latter.
 242         (unordered_multimap<>::extract(const key_type&)): Likewise.
 243         (unordered_multimap<>::_M_erase): New.
 244         (unordered_multimap<>::erase(const_iterator)): Likewise.
 245         (unordered_multimap<>::erase(iterator)): Likewise.
 246         (unordered_multimap<>::_M_invalidate): New.
 247         (unordered_multimap<>::erase(const key_type&)): Use latter.
 248         (unordered_multimap<>::erase(const_iterator, const_iterator)): Likewise.
 249         * include/debug/unordered_set
 250         (unordered_set<>::begin()): Use C++11 direct initialization.
 251         (unordered_set<>::end()): Likewise.
 252         (unordered_set<>::cbegin()): Likewise.
 253         (unordered_set<>::cend()): Likewise.
 254         (unordered_set<>::begin(size_type)): Likewise.
 255         (unordered_set<>::end(size_type)): Likewise.
 256         (unordered_set<>::cbegin(size_type)): Likewise.
 257         (unordered_set<>::cend(size_type)): Likewise.
 258         (unordered_set<>::emplace<>(_Args&&...)): Likewise.
 259         (unordered_set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 260         (unordered_set<>::insert(const value_type&)): Likewise.
 261         (unordered_set<>::insert(value_type&&)): Likewise.
 262         (unordered_set<>::insert(const_iterator, const value_type&)): Likewise.
 263         (unordered_set<>::insert(const_iterator, value_type&&)): Likewise.
 264         (unordered_set<>::insert(note_type&&)): Likewise.
 265         (unordered_set<>::insert(const_iterator, note_type&&)): Likewise.
 266         (unordered_set<>::find(const key_type&)): Likewise.
 267         (unordered_set<>::equal_range(const key_type&)): Likewise.
 268         (unordered_set<>::_M_extract): New.
 269         (unordered_set<>::extract(const_iterator)): Use latter.
 270         (unordered_set<>::extract(const key_type&)): Likewise.
 271         (unordered_set<>::_M_erase): New.
 272         (unordered_set<>::erase(const key_type&)): Use latter.
 273         (unordered_set<>::erase(const_iterator)): Likewise.
 274         (unordered_set<>::erase(iterator)): Likewise.
 275         (unordered_set<>::_M_invalidate): New.
 276         (unordered_set<>::erase(const_iterator, const_iterator)): Use latter.
 277         (unordered_multiset<>::begin()): Use C++11 direct initialization.
 278         (unordered_multiset<>::end()): Likewise.
 279         (unordered_multiset<>::cbegin()): Likewise.
 280         (unordered_multiset<>::cend()): Likewise.
 281         (unordered_multiset<>::begin(size_type)): Likewise.
 282         (unordered_multiset<>::end(size_type)): Likewise.
 283         (unordered_multiset<>::cbegin(size_type)): Likewise.
 284         (unordered_multiset<>::cend(size_type)): Likewise.
 285         (unordered_multiset<>::emplace<>(_Args&&...)): Likewise.
 286         (unordered_multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 287         (unordered_multiset<>::insert(const value_type&)): Likewise.
 288         (unordered_multiset<>::insert(const_iterator, const value_type&)): Likewise.
 289         (unordered_multiset<>::insert(value_type&&)): Likewise.
 290         (unordered_multiset<>::insert(const_iterator, value_type&&)): Likewise.
 291         (unordered_multiset<>::insert(node_type&&)): Likewise.
 292         (unordered_multiset<>::insert(const_iterator, node_type&&)): Likewise.
 293         (unordered_multiset<>::find(const key_type&)): Likewise.
 294         (unordered_multiset<>::equal_range(const key_type&)): Likewise.
 295         (unordered_multiset<>::_M_extract): New.
 296         (unordered_multiset<>::extract(const_iterator)): Use latter.
 297         (unordered_multiset<>::extract(const key_type&)): Likewise.
 298         (unordered_multiset<>::_M_erase): New.
 299         (unordered_multiset<>::erase(const_iterator)): Likewise.
 300         (unordered_multiset<>::erase(iterator)): Likewise.
 301         (unordered_multiset<>::_M_invalidate): New.
 302         (unordered_multiset<>::erase(const key_type&)): Use latter.
 303         (unordered_multiset<>::erase(const_iterator, const_iterator)): Likewise.
 304
 305         * include/c_global/cstddef: Add versioned namespace.
 306
 307 2018-10-23  Jonathan Wakely  <jwakely@redhat.com>
 308
 309         PR libstdc++/87704
 310         * include/bits/unique_ptr.h (unique_ptr::unique_ptr(nullptr_t)): Do
 311         not delegate to default constructor.
 312         (unique_ptr<T[], D>::unique_ptr(nullptr_t)): Likewise.
 313         * testsuite/20_util/unique_ptr/cons/incomplete.cc: New test.
 314
 315 2018-10-20  François Dumont  <fdumont@gcc.gnu.org>
 316
 317         * testsuite/util/testsuite_containers.h
 318         (forward_members_unordered<>::forward_members_unordered
 319         (const value_type&)): Add local_iterator pre and post increment checks.
 320         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 new symbol.
 321
 322 2018-10-19  Jonathan Wakely  <jwakely@redhat.com>
 323
 324         * testsuite/23_containers/array/requirements/explicit_instantiation/
 325         3.cc: Skip test when compiled with a -std=c++NN strict mode.
 326         * testsuite/23_containers/deque/requirements/explicit_instantiation/
 327         3.cc: Likewise.
 328         * testsuite/23_containers/forward_list/requirements/
 329         explicit_instantiation/3.cc: Likewise.
 330         * testsuite/23_containers/list/requirements/explicit_instantiation/
 331         3.cc: Likewise.
 332         * testsuite/23_containers/map/requirements/explicit_instantiation/
 333         3.cc: Likewise.
 334         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 335         3.cc: Likewise.
 336         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 337         3.cc: Likewise.
 338         * testsuite/23_containers/set/requirements/explicit_instantiation/
 339         3.cc: Likewise.
 340         * testsuite/23_containers/unordered_map/requirements/
 341         explicit_instantiation/3.cc: Likewise.
 342         * testsuite/23_containers/unordered_multimap/requirements/
 343         explicit_instantiation/3.cc: Likewise.
 344         * testsuite/23_containers/unordered_multiset/requirements/
 345         explicit_instantiation/3.cc: Likewise.
 346         * testsuite/23_containers/unordered_set/requirements/
 347         explicit_instantiation/3.cc: Likewise.
 348         * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
 349         3.cc: Likewise.
 350         * testsuite/23_containers/vector/requirements/explicit_instantiation/
 351         3.cc: Likewise.
 352
 353         * testsuite/23_containers/deque/48101_neg.cc: Prune additional errors
 354         printed when __STRICT_ANSI__ is defined.
 355         * testsuite/23_containers/forward_list/48101_neg.cc: Likewise.
 356         * testsuite/23_containers/list/48101_neg.cc: Likewise.
 357         * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
 358         * testsuite/23_containers/set/48101_neg.cc: Likewise.
 359         * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
 360         * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
 361         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 362
 363         * testsuite/23_containers/forward_list/requirements/
 364         explicit_instantiation/5.cc [__STRICT_ANSI__]: Don't test non-standard
 365         extension.
 366         * testsuite/23_containers/list/requirements/explicit_instantiation/
 367         5.cc [__STRICT_ANSI__]: Likewise.
 368         * testsuite/23_containers/map/requirements/explicit_instantiation/5.cc
 369         [__STRICT_ANSI__]: Likewise.
 370         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 371         5.cc [__STRICT_ANSI__]: Likewise.
 372         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 373         5.cc [__STRICT_ANSI__]: Likewise.
 374         * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc
 375         [__STRICT_ANSI__]: Likewise.
 376         * testsuite/23_containers/unordered_map/requirements/debug_container.cc
 377         [__STRICT_ANSI__]: Likewise.
 378         * testsuite/23_containers/unordered_map/requirements/
 379         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 380         * testsuite/23_containers/unordered_multimap/requirements/
 381         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 382         * testsuite/23_containers/unordered_multiset/requirements/
 383         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 384         * testsuite/23_containers/unordered_set/requirements/
 385         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 386
 387         * testsuite/20_util/scoped_allocator/1.cc: Use allocator with correct
 388         value type for the container.
 389         * testsuite/23_containers/forward_list/cons/14.cc: Likewise.
 390         * testsuite/23_containers/map/56613.cc: Likewise.
 391         * testsuite/23_containers/unordered_map/55043.cc: Likewise.
 392         * testsuite/23_containers/unordered_map/allocator/copy.cc: Likewise.
 393         * testsuite/23_containers/unordered_map/allocator/copy_assign.cc:
 394         Likewise.
 395         * testsuite/23_containers/unordered_map/allocator/minimal.cc:
 396         Likewise.
 397         * testsuite/23_containers/unordered_map/allocator/move.cc: Likewise.
 398         * testsuite/23_containers/unordered_map/allocator/move_assign.cc:
 399         Likewise.
 400         * testsuite/23_containers/unordered_map/allocator/noexcept.cc:
 401         Likewise.
 402         * testsuite/23_containers/unordered_map/cons/81891.cc: Likewise.
 403         * testsuite/23_containers/unordered_map/requirements/exception/
 404         basic.cc: Likewise.
 405         * testsuite/23_containers/unordered_map/requirements/exception/
 406         generation_prohibited.cc: Likewise.
 407         * testsuite/23_containers/unordered_map/requirements/exception/
 408         propagation_consistent.cc: Likewise.
 409         * testsuite/23_containers/unordered_multimap/55043.cc: Likewise.
 410         * testsuite/23_containers/unordered_multimap/allocator/copy.cc:
 411         Likewise.
 412         * testsuite/23_containers/unordered_multimap/allocator/copy_assign.cc:
 413         Likewise.
 414         * testsuite/23_containers/unordered_multimap/allocator/minimal.cc:
 415         Likewise.
 416         * testsuite/23_containers/unordered_multimap/allocator/move.cc:
 417         Likewise.
 418         * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc:
 419         Likewise.
 420         * testsuite/23_containers/unordered_multimap/allocator/noexcept.cc:
 421         Likewise.
 422         * testsuite/23_containers/unordered_multimap/requirements/exception/
 423         basic.cc: Likewise.
 424         * testsuite/23_containers/unordered_multimap/requirements/exception/
 425         generation_prohibited.cc: Likewise.
 426         * testsuite/23_containers/unordered_multimap/requirements/exception/
 427         propagation_consistent.cc: Likewise.
 428         * testsuite/23_containers/unordered_multimap/requirements/
 429         explicit_instantiation/5.cc: Likewise.
 430         * testsuite/ext/malloc_allocator/sanity.cc: Likewise.
 431
 432         * ext/special_functions/airy_ai/check_nan.cc: Skip test for
 433         non-standard extension when a strict -std=c++NN dialect is used.
 434         * ext/special_functions/airy_ai/check_value.cc: Likewise.
 435         * ext/special_functions/airy_ai/compile.cc: Likewise.
 436         * ext/special_functions/airy_bi/check_nan.cc: Likewise.
 437         * ext/special_functions/airy_bi/check_value.cc: Likewise.
 438         * ext/special_functions/airy_bi/compile.cc: Likewise.
 439         * ext/special_functions/conf_hyperg/check_nan.cc: Likewise.
 440         * ext/special_functions/conf_hyperg/check_value.cc: Likewise.
 441         * ext/special_functions/conf_hyperg/compile.cc: Likewise.
 442         * ext/special_functions/hyperg/check_nan.cc: Likewise.
 443         * ext/special_functions/hyperg/check_value.cc: Likewise.
 444         * ext/special_functions/hyperg/compile.cc: Likewise.
 445
 446         * testsuite/23_containers/list/requirements/explicit_instantiation/
 447         5_c++0x.cc: Remove redundant test that is functionally identical to
 448         the 5.cc test.
 449         * testsuite/23_containers/map/requirements/explicit_instantiation/
 450         5_c++0x.cc: Likewise.
 451         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 452         5_c++0x.cc: Likewise.
 453         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 454         5_c++0x.cc: Likewise.
 455         * testsuite/23_containers/set/requirements/explicit_instantiation/
 456         5_c++0x.cc: Likewise.
 457
 458         * include/bits/regex_executor.tcc (_Backref_matcher::_M_apply): Use
 459         _GLIBCXX_STD_A to refer to normal mode algorithms.
 460         * testsuite/28_regex/headers/regex/parallel_mode.cc: New test.
 461         * testsuite/28_regex/headers/regex/std_c++0x_neg.cc: Remove empty
 462         whitespace.
 463
 464         * include/debug/map.h (map::erase(iterator)): Add abi-tag so that
 465         C++11 version mangles differently from incompatible C++98 version.
 466         * include/debug/multimap.h (multimap::erase(iterator)): Likewise.
 467         * include/debug/multiset.h (multiset::erase(iterator))
 468         (multiset::erase(const_iterator, const_iterator)): Likewise.
 469         * include/debug/set.h (set::erase(iterator))
 470         (multiset::erase(const_iterator, const_iterator)): Likewise.
 471
 472 2018-10-18  Jonathan Wakely  <jwakely@redhat.com>
 473
 474         * testsuite/20_util/duration/cons/2.cc: Add -ffloat-store to fix
 475         failure when compiled without optimisation.
 476         * testsuite/ext/profile/mutex_extensions_neg.cc: Prune additional
 477         errors caused by C++17 std::pmr alias templates.
 478
 479         PR libstdc++/87642
 480         * config/locale/gnu/monetary_members.cc
 481         (moneypunct<char, true>::_M_initialize_moneypunct): Use
 482         __narrow_multibyte_chars to convert multibyte thousands separators
 483         to a single char.
 484         * config/locale/gnu/numeric_members.cc
 485         (numpunct<char>::_M_initialize_numpunct): Likewise.
 486         (__narrow_multibyte_chars): New function.
 487
 488         PR libstdc++/87641
 489         * include/bits/valarray_array.h (__valarray_sum): Use first element
 490         to initialize accumulator instead of value-initializing it.
 491         (__valarray_product<_Tp>): Move to ...
 492         * src/c++98/valarray.cc (__valarray_product<_Tp>): Here. Use first
 493         element to initialize accumulator.
 494         (__valarray_product(const valarray<size_t>&)): Remove const_cast made
 495         unnecessary by LWG 389.
 496         * testsuite/26_numerics/valarray/87641.cc: New test.
 497
 498 2018-10-18  François Dumont  <fdumont@gcc.gnu.org>
 499
 500         Partial revert.
 501         2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
 502
 503         * include/debug/list (list<>::cbegin()): Use C++11 direct
 504         initialization.
 505         (list<>::cend()): Likewise.
 506         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
 507         iterator comparisons.
 508         (list<>::splice(const_iterator, list&&, const_iterator,
 509         const_iterator)): Likewise.
 510
 511         Partial revert.
 512         2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
 513
 514         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
 515         initialization.
 516         (vector<>::cend()): Likewise.
 517         (vector<>::insert(const_iterator, const _Tp&)): Use consistent
 518         iterator comparison.
 519         (vector<>::erase(const_iterator)): Likewise.
 520         (vector<>::erase(const_iterator, const_iterator)): Likewise.
 521
 522 2018-10-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
 523
 524         PR libstdc++/87619
 525         * include/std/variant (__select_index): Fix an off-by-one.
 526         * testsuite/20_util/variant/87619.cc: New.
 527
 528 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
 529
 530         * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
 531         Fix default constructor to call correct function.
 532
 533         * testsuite/experimental/net/internet/address/v4/creation.cc: Do not
 534         declare ip in global namespace, to avoid collision with struct ip
 535         defined in <netinet/ip.h>.
 536
 537         * include/experimental/bits/net.h: Move versioned namespace macros
 538         to correct location.
 539         * include/experimental/buffer: Likewise.
 540         * include/experimental/executor: Likewise.
 541         * include/experimental/internet: Likewise.
 542         * include/experimental/io_context: Likewise.
 543         * include/experimental/netfwd: Likewise.
 544         * include/experimental/socket: Likewise.
 545         * include/experimental/timer: Likewise.
 546
 547         * config.h.in: Regenerate.
 548         * configure: Regenerate.
 549         * configure.ac: Check for headers used by Networking TS.
 550         * include/experimental/executor: Include <condition_variable>
 551         instead of <mutex>.
 552         * include/experimental/internet: Use autoconf macros for available
 553         headers.  Include <sys/socket.h> for.  Remove <cstring> and use
 554         __builtin_memcpy and __builtin_strchr.
 555         (resolver_errc) [!_GLIBCXX_HAVE_NETDB_H]: Do not define.
 556         (address_v4::to_string, address_v6::to_string)
 557         [!_GLIBCXX_HAVE_ARPA_INET_H]: Likewise.
 558         (basic_resolver_results) [!_GLIBCXX_HAVE_NETDB_H]: Make private
 559         constructors report errors.
 560         [!_GLIBCXX_HAVE_NETINET_TCP_H] (tcp::no_delay): Do not define.
 561         * include/experimental/io_context: Likewise.
 562         * include/experimental/socket: Likewise.
 563         [!_GLIBCXX_HAVE_SYS_SOCKET_H, !_GLIBCXX_HAVE_POLL_H] (socket_base): Do
 564         not define nested types when relevant header not available.
 565         (__socket_impl::native_non_blocking) [!_GLIBCXX_HAVE_FCNTL_H]: Report
 566         an error.
 567         (__basic_socket_impl::open, __basic_socket_impl::local_endpoint)
 568         (__basic_socket_impl::bind) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 569         (__basic_socket_impl::io_control) [!_GLIBCXX_HAVE_SYS_IOCTL_H]:
 570         Likewise.
 571         (basic_socket::at_mark, basic_socket::shutdown)
 572         (basic_socket::remote_endpoint, basic_socket::connect)
 573         (basic_socket::async_connect) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 574         (basic_socket::available) [_GLIBCXX_HAVE_SYS_IOCTL_H]: Check macro
 575         for <sys/ioctl.h> availability.
 576         (basic_socket::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
 577         (basic_datagram_socket::receive, basic_datagram_socket::async_receive)
 578         (basic_datagram_socket::receive_from)
 579         (basic_datagram_socket::async_receive_from)
 580         (basic_datagram_socket::send, basic_datagram_socket::async_send)
 581         (basic_datagram_socket::send_to, basic_datagram_socket::async_send_to)
 582         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 583         (basic_stream_socket::receive, basic_stream_socket::async_receive)
 584         (basic_stream_socket::send, basic_stream_socket::async_send)
 585         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
 586         (basic_socket_acceptor::listen, basic_socket_acceptor::accept)
 587         (basic_socket_acceptor::async_accept) [!_GLIBCXX_HAVE_SYS_SOCKET_H]:
 588         Likewise.
 589         (basic_socket_acceptor::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
 590
 591         * testsuite/experimental/net/headers.cc: Remove dg-options.
 592         * testsuite/experimental/net/buffer/arithmetic.cc: Replace dg-options
 593         with dg-do using effective target.
 594         * testsuite/experimental/net/buffer/const.cc: Likewise.
 595         * testsuite/experimental/net/buffer/creation.cc: Likewise.
 596         * testsuite/experimental/net/buffer/mutable.cc: Likewise.
 597         * testsuite/experimental/net/buffer/size.cc: Likewise.
 598         * testsuite/experimental/net/buffer/traits.cc: Likewise.
 599         * testsuite/experimental/net/execution_context/use_service.cc:
 600         Likewise.
 601         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
 602         Likewise.
 603         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
 604         * testsuite/experimental/net/internet/address/v4/creation.cc:
 605         Likewise.
 606         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
 607         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
 608         * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
 609         Likewise.
 610         * testsuite/experimental/net/internet/resolver/ops/reverse.cc:
 611         Likewise.
 612         * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
 613         * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
 614         * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
 615
 616         * include/experimental/socket (basic_socket::at_mark): Add missing
 617         return.
 618
 619         * acinclude.m4 (GLIBCXX_CHECK_RANDOM_TR1): Replace with ...
 620         (GLIBCXX_CHECK_DEV_RANDOM): New macro with more descriptive name.
 621         Define _GLIBCXX_USE_DEV_RANDOM as well as _GLIBCXX_USE_RANDOM_TR1.
 622         * config.h.in: Regenerate.
 623         * configure: Regenerate.
 624         * configure.ac: Use GLIBCXX_CHECK_DEV_RANDOM instead of
 625         GLIBCXX_CHECK_RANDOM_TR1.
 626         crossconfig.m4: Likewise.
 627         * include/bits/random.h (random_device): Use _GLIBCXX_USE_DEV_RANDOM
 628         instead of _GLIBCXX_USE_RANDOM_TR1.
 629         * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
 630
 631 2018-10-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 632
 633         * testsuite/lib/dg-options.exp (add_options_for_net_ts): New proc.
 634         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
 635         Add dg-add-options net_ts.
 636         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
 637         * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise.
 638         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
 639         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
 640         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: Likewise.
 641         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: Likewise.
 642
 643 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
 644
 645         * testsuite/20_util/duration/literals/range_neg.cc: Adjust pruned
 646         diagnostic to account for quotes around 'constexpr'.
 647         * testsuite/23_containers/deque/capacity/max_size.cc: Define static
 648         variable.
 649         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 650
 651         PR libstdc++/87618
 652         * config/abi/pre/gnu.ver: Fix typos in patterns for basic_stringbuf.
 653         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: Disable
 654         optimisation to check constructor definition can be linked to.
 655         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: Likewise.
 656
 657 2018-10-15  Jonathan Wakely  <jwakely@redhat.com>
 658
 659         * testsuite/22_locale/numpunct/members/char/3.cc: Adjust test to
 660         account for change to glibc it_IT localedata (glibc bz#10797).
 661
 662         PR libstdc++/87587
 663         * src/c++11/cxx11-shim_facets.cc: Suppress -Wabi warnings.
 664
 665 2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
 666
 667         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
 668         initialization.
 669         (vector<>::cend()): Likewise.
 670         (vector<>::emplace(const_iterator, _Args&&...)): Likewise and use
 671         consistent iterator comparison.
 672         (vector<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
 673         (vector<>::insert(const_iterator, _InputIterator, _InputIterator)):
 674         Likewise.
 675         (vector<>::erase(const_iterator)): Likewise.
 676         (vector<>::erase(const_iterator, const_iterator)): Likewise.
 677
 678 2018-10-12  Jonathan Wakely  <jwakely@redhat.com>
 679
 680         Initial commit of Networking TS implementation.
 681         * include/Makefile.am: Add new headers.
 682         * include/Makefile.in: Regenerate.
 683         * include/experimental/bits/net.h: New header for common
 684         implementation details of Networking TS.
 685         * include/experimental/buffer: New header.
 686         * include/experimental/executor: New header.
 687         * include/experimental/internet: New header.
 688         * include/experimental/io_context: New header.
 689         * include/experimental/net: New header.
 690         * include/experimental/netfwd: New header.
 691         * include/experimental/socket: New header.
 692         * include/experimental/timer: New header.
 693         * testsuite/experimental/net/buffer/arithmetic.cc: New test.
 694         * testsuite/experimental/net/buffer/const.cc: New test.
 695         * testsuite/experimental/net/buffer/creation.cc: New test.
 696         * testsuite/experimental/net/buffer/mutable.cc: New test.
 697         * testsuite/experimental/net/buffer/size.cc: New test.
 698         * testsuite/experimental/net/buffer/traits.cc: New test.
 699         * testsuite/experimental/net/execution_context/use_service.cc: New
 700         test.
 701         * testsuite/experimental/net/headers.cc: New test.
 702         * testsuite/experimental/net/internet/address/v4/comparisons.cc: New
 703         test.
 704         * testsuite/experimental/net/internet/address/v4/cons.cc: New test.
 705         * testsuite/experimental/net/internet/address/v4/creation.cc: New
 706         test.
 707         * testsuite/experimental/net/internet/address/v4/members.cc: New
 708         test.
 709         * testsuite/experimental/net/internet/resolver/base.cc: New test.
 710         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New
 711         test.
 712         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New
 713         test.
 714         * testsuite/experimental/net/timer/waitable/cons.cc: New test.
 715         * testsuite/experimental/net/timer/waitable/dest.cc: New test.
 716         * testsuite/experimental/net/timer/waitable/ops.cc: New test.
 717
 718         PR libstdc++/77691
 719         * include/experimental/memory_resource (__resource_adaptor_imp): Do
 720         not allocate sizes smaller than alignment when relying on guaranteed
 721         alignment.
 722         * testsuite/experimental/memory_resource/new_delete_resource.cc:
 723         Adjust expected number of bytes allocated for alignof(max_align_t).
 724
 725 2018-10-11  François Dumont  <fdumont@gcc.gnu.org>
 726
 727         * include/debug/forward_list
 728         (forward_list<>::before_begin()): Use C++11 direct initialization.
 729         (forward_list<>::begin()): Likewise.
 730         (forward_list<>::end()): Likewise.
 731         (forward_list<>::cbefore_begin()): Likewise.
 732         (forward_list<>::cbegin()): Likewise.
 733         (forward_list<>::cend()): Likewise.
 734         (forward_list<>::emplace_after<>(const_iterator, _Args&&...)): Likewise.
 735         (forward_list<>::insert_after(const_iterator, const _Tp&)): Likewise.
 736         (forward_list<>::insert_after(const_iterator, _Tp&&)): Likewise.
 737         (forward_list<>::insert_after(const_iterator, size_type, const _Tp&)):
 738         Likewise.
 739         (forward_list<>::insert_after(const_iterator, initializer_list<>)):
 740         Likewise.
 741         (forward_list<>::erase_after(const_iterator)): Likewise.
 742         (forward_list<>::erase_after(const_iterator, const_iterator)): Likewise
 743         and ensure consistent iterator comparison.
 744
 745         * include/bits/forward_list.h
 746         (_Fwd_list_iterator<>::operator==): Replace member function with inline
 747         friend.
 748         (_Fwd_list_iterator<>::operator!=): Likewise.
 749         (_Fwd_list_const_iterator<>::operator==): Likewise.
 750         (_Fwd_list_const_iterator<>::operator!=): Likewise.
 751         (operator==(const _Fwd_list_iterator<>&,
 752         const _Fwd_list_const_iterator<>&)): Remove.
 753         (operator!=(const _Fwd_list_iterator<>&,
 754         const _Fwd_list_const_iterator<>&)): Remove.
 755         (forward_list<>::_Node): Take typedef from base type.
 756         (forward_list<>::iterator): Likewise.
 757         (forward_list<>::const_iterator): Likewise.
 758
 759 2018-10-11  Jonathan Wakely  <jwakely@redhat.com>
 760
 761         PR libstdc++/80538
 762         * src/c++11/thread.cc (this_thread::__sleep_for)
 763         [_GLIBCXX_HAVE_SLEEP]: Only call sleep for non-zero values.
 764         Loop while sleep call is interrupted and until steady_clock
 765         shows requested duration has elapsed.
 766         (!_GLIBCXX_HAVE_USLEEP]: Use the _GLIBCXX_HAVE_SLEEP code path, but
 767         avoiding the usleep call.
 768         * testsuite/30_threads/this_thread/60421.cc: Test repeated
 769         signal interruptions.
 770
 771         * include/bits/allocator.h
 772         (operator==(const allocator<_Tp>&, const allocator<_Tp>))
 773         (operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace
 774         with inline friends.
 775         * include/ext/debug_allocator.h (operator==, operator!=): Replace
 776         with inline friend functions that compare to rebound allocators.
 777         * include/ext/malloc_allocator.h (operator==, operator!=): Likewise.
 778         * include/ext/new_allocator.h (operator==, operator!=): Likewise.
 779         * testsuite/ext/debug_allocator/eq.cc: New test.
 780         * testsuite/ext/ext_pointer/alloc_eq.cc: New test.
 781         * testsuite/ext/malloc_allocator/eq.cc: New test.
 782         * testsuite/ext/new_allocator/eq.cc: New test.
 783
 784 2018-10-10  Jonathan Wakely  <jwakely@redhat.com>
 785
 786         PR libstdc++/87544
 787         * include/bits/stl_vector.h (vector::_S_max_size): Limit size to
 788         PTRDIFF_MAX / sizeof(value_type).
 789         * include/ext/malloc_allocator.h (malloc_allocator::max_size):
 790         Likewise.
 791         * include/ext/new_allocator.h (new_allocator::max_size): Likewise.
 792         * testsuite/23_containers/vector/allocator/minimal.cc: Adjust
 793         expected value for max_size().
 794         * testsuite/23_containers/vector/capacity/87544.cc: New test.
 795
 796 2018-10-09  François Dumont  <fdumont@gcc.gnu.org>
 797
 798         * include/bits/stl_list.h
 799         (_List_operator<>::operator==): Replace member function with inline
 800         friend.
 801         (_List_operator<>::operator!=): Likewise.
 802         (_List_const_operator<>::operator==): Likewise.
 803         (_List_const_operator<>::operator!=): Likewise.
 804         (operator==(const _List_iterator<>&, const _List_const_iterator<>&)):
 805         Remove.
 806         (operator!=(const _List_iterator<>&, const _List_const_iterator<>&)):
 807         Remove.
 808
 809 2018-10-09  Jonathan Wakely  <jwakely@redhat.com>
 810
 811         * include/bits/stringfwd.h (string, wstring, u16string, u32string):
 812         Define typedefs outside of __cxx11 inline namespace.
 813         * python/libstdcxx/v6/printers.py (register_type_printers): Also
 814         register printers for typedefs in new location.
 815
 816 2018-10-08  Jonathan Wakely  <jwakely@redhat.com>
 817
 818         PR libstdc++/87538
 819         * testsuite/experimental/functional/87538.cc: New test.
 820
 821         PR libstdc++/87538
 822         * include/std/functional (_Not_fn::operator()): Check value of
 823         __is_nothrow_invocable as well.
 824         * testsuite/20_util/function_objects/not_fn/87538.cc: New test.
 825
 826 2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
 827
 828         * include/debug/list (list<>::cbegin()): Use C++11 direct
 829         initialization.
 830         (list<>::cend()): Likewise.
 831         (list<>::emplace<>(const_iterator, _Args&&...)): Likewise.
 832         (list<>::insert(const_iterator, initializer_list<>)): Likewise.
 833         (list<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
 834         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
 835         iterator comparisons.
 836         (list<>::splice(const_iterator, list&&, const_iterator,
 837         const_iterator)): Likewise.
 838
 839 2018-10-05  François Dumont  <fdumont@gcc.gnu.org>
 840
 841         * include/bits/stl_tree.h
 842         (_Rb_tree_iterator<>::operator==): Make inline friend.
 843         (_Rb_tree_iterator<>::operator!=): Likewise.
 844         (_Rb_tree_const_iterator<>::operator==): Likewise.
 845         (_Rb_tree_const_iterator<>::operator!=): Likewise.
 846         (operator==(const _Rb_tree_iterator<>&,
 847         const _Rb_tree_const_iterator&)): Remove.
 848         (operator!=(const _Rb_tree_iterator<>&,
 849         const _Rb_tree_const_iterator&)): Remove.
 850         (operator==(const _Rb_tree<>&, const _Rb_tree<>&)): Make inline friend.
 851         (operator<(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 852         (operator!=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise and
 853         deprecate.
 854         (operator>(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 855         (operator<=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 856         (operator>=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
 857         * include/debug/map.h (map<>::erase(const_iterator, const_iterator)):
 858         Compare __victim with _Base::cend().
 859         * include/debug/multimap.h
 860         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
 861         * include/debug/set.h (set<>::erase(const_iterator, const_iterator)):
 862         Compare __victim with _Base::cend().
 863         * include/debug/multiset.h
 864         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
 865
 866 2018-10-03  Jonathan Wakely  <jwakely@redhat.com>
 867
 868         PR libstdc++/59439
 869         * src/c++98/locale.cc (locale::locale(const locale&)): Bypass
 870         reference count updates for the classic locale.
 871         (locale::~locale()): Likewise.
 872         (locale::operator=(const locale&)): Likewise.
 873         * src/c++98/locale_init.cc (locale::locale()): Likewise.
 874         (locale::global(const locale&)): Likewise.
 875
 876 2018-10-03  François Dumont  <fdumont@gcc.gnu.org>
 877
 878         * include/debug/map.h
 879         (map<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 880         (map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 881         (map<>::insert(value_type&&)): Likewise.
 882         (map<>::insert<>(_Pair&&)): Likewise.
 883         (map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 884         (map<>::try_emplace): Likewise.
 885         (map<>::insert_or_assign): Likewise.
 886         (map<>::insert(node_type&&)): Likewise.
 887         (map<>::insert(const_iterator, node_type&&)): Likewise.
 888         (map<>::erase(const_iterator)): Likewise.
 889         (map<>::erase(const_iterator, const_iterator)): Likewise.
 890         * include/debug/multimap.h
 891         (multimap<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 892         (multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 893         (multimap<>::insert<>(_Pair&&)): Likewise.
 894         (multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 895         (multimap<>::insert(node_type&&)): Likewise.
 896         (multimap<>::insert(const_iterator, node_type&&)): Likewise.
 897         (multimap<>::erase(const_iterator)): Likewise.
 898         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
 899         * include/debug/set.h
 900         (set<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 901         (set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 902         (set<>::insert(value_type&&)): Likewise.
 903         (set<>::insert<>(const_iterator, value_type&&)): Likewise.
 904         (set<>::insert(const_iterator, node_type&&)): Likewise.
 905         (set<>::erase(const_iterator)): Likewise.
 906         (set<>::erase(const_iterator, const_iterator)): Likewise.
 907         * include/debug/multiset.h
 908         (multiset<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
 909         (multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 910         (multiset<>::insert<>(value_type&&)): Likewise.
 911         (multiset<>::insert<>(const_iterator, value_type&&)): Likewise.
 912         (multiset<>::insert(node_type&&)): Likewise.
 913         (multiset<>::insert(const_iterator, node_type&&)): Likewise.
 914         (multiset<>::erase(const_iterator)): Likewise.
 915         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
 916
 917 2018-10-02  Marc Glisse  <marc.glisse@inria.fr>
 918
 919         PR libstdc++/87258
 920         * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()):
 921         Rebuild _M_start with an explicit 0 offset.
 922
 923 2018-10-02  Jonathan Wakely  <jwakely@redhat.com>
 924
 925         * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get
 926         directly instead of get, as caller ensures correct index is used.
 927         (holds_alternative, get, get_if): Remove redundant inline specifiers.
 928         (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise.
 929
 930 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
 931
 932         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
 933         -fno-show-column in default cxxflags.
 934
 935 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 936
 937         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
 938
 939 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
 940
 941         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
 942         Custom Memory Allocation".
 943
 944 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
 945
 946         * doc/html/*: Regenerate.
 947
 948 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
 949
 950         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
 951         to https.
 952
 953 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
 954
 955         * doc/xml/manual/policy_data_structures_biblio.xml: Update
 956         link to Microsoft Component Model Object Technologies.
 957
 958 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
 959
 960         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
 961         site now uses https. Also omit the unnecessary trailing slash.
 962         * doc/xml/gnu/gpl-3.0.xml: Ditto.
 963
 964 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
 965
 966         * include/debug/functions.h
 967         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
 968         const _InputIter&, __true_type)): Use empty() rather than begin() ==
 969         end().
 970
 971 2018-09-25  Mike Crowe  <mac@mcrowe.com>
 972
 973         * include/std/condition_variable (condition_variable::wait_for): Use
 974         steady clock in overload that uses a predicate.
 975
 976 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
 977
 978         PR libstdc++/87431
 979         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
 980         Avoid runtime test when all alternatives are scalars and so cannot
 981         throw during initialization.
 982
 983 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
 984
 985         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
 986         to https.
 987
 988 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
 989
 990         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
 991         to "Priority Queues and the STL".
 992
 993 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
 994
 995         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
 996         https.
 997
 998 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
 999
1000         PR libstdc++/87135
1001         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1002         Use __builtin_floor to compute _M_next_resize.
1003         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
1004         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
1005         Adapt.
1006
1007 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
1008
1009         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
1010         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
1011         long double unconditionally, but use lower tolerance when
1012         sizeof(long double) == sizeof(double).
1013
1014 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
1015
1016         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
1017         on arm*.
1018
1019 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
1020
1021         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
1022         Remove __glibcxx_assert statements and use map::find instead of
1023         map::operator[].
1024
1025 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
1026
1027         PR libstdc++/87135
1028         * src/c++11/hashtable_c++0x.cc:
1029         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
1030         requested size, but not necessarily greater.
1031         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
1032         strictly greater than next resize threshold.
1033         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
1034         to validate that there is no rehash as long as number of insertion is
1035         lower or equal to the reserved number of elements.
1036
1037 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
1038
1039         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
1040         checking invocable condition.
1041         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
1042         here, where types must be complete. Pass pointer to deleter as an
1043         rvalue.
1044         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
1045
1046 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
1047
1048         * include/std/variant (variant) [__clang__]: Limit workaround to
1049         Clang 7 and older.
1050
1051 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
1052
1053         PR libstdc++/87278
1054         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
1055         remove_const.
1056         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
1057
1058         Implement LWG 2905 changes to constrain unique_ptr constructors
1059         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
1060         check deleter type.
1061         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
1062         constructible constraint.
1063         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
1064         deleters of reference type and add move constructible constraint.
1065         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
1066         Disable for deleters of non-reference type. Define as deleted.
1067         (unique_ptr<T[], D>): Likewise.
1068         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
1069         directives with unstable line numbers with dg-prune-output.
1070         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
1071         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
1072         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
1073         Make deleter types invocable.
1074
1075 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
1076
1077         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
1078
1079 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
1080
1081         PR libstdc++/78179
1082         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
1083         that runs the long double part of hypot.cc.
1084         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
1085         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
1086
1087         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
1088         Return raw pointer not allocator's pointer type.
1089         (vector::_Temporary_value::_M_val): Use _M_ptr.
1090
1091         PR libstdc++/87194
1092         * include/bits/stl_map.h
1093         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
1094         (map::map(initializer_list<value_type>, const Alloc&))
1095         (map::map(InputIterator, InputIterator, const Alloc&))
1096         (map::map(InputIterator, InputIterator))
1097         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
1098         (map::insert(InputIterator, InputIterator)):
1099         Call _M_insert_range_unique instead of _M_insert_unique.
1100         * include/bits/stl_multimap.h
1101         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
1102         (multimap::multimap(initializer_list<value_type>, const A&))
1103         (multimap::multimap(InputIterator, InputIterator, const A&))
1104         (multimap::multimap(InputIterator, InputIterator))
1105         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
1106         (multimap::insert(InputIterator, InputIterator)): Call
1107         _M_insert_range_equal instead of _M_insert_equal.
1108         * include/bits/stl_multiset.h
1109         (multiset::multiset(InputIterator, InputIterator))
1110         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
1111         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
1112         (multiset::multiset(initializer_list<value_type>, const A&))
1113         (multiset::multiset(InputIterator, InputIterator, const A&))
1114         (multiset::insert(InputIterator, InputIterator)): Call
1115         _M_insert_range_equal instead of _M_insert_equal.
1116         * include/bits/stl_set.h
1117         (set::set(InputIterator, InputIterator))
1118         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
1119         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
1120         (set::set(initializer_list<value_type>, const Alloc&))
1121         (set::set(InputIterator, InputIterator, const Alloc&))
1122         (set::insert(InputIterator, InputIterator)):
1123         Call _M_insert_range_unique instead of _M_insert_unique.
1124         * include/bits/stl_tree.h
1125         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
1126         template for SFINAE constraints.
1127         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
1128         constrained overloads that either insert or emplace, depending on
1129         iterator's value_type.
1130         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
1131         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
1132         (_Rb_tree::_M_insert_range_equal): New functions replacing range
1133         versions of _M_insert_unique and _M_insert_equal.
1134         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
1135         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
1136         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
1137         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
1138         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
1139         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
1140
1141         PR libstdc++/78595
1142         * include/bits/stl_map.h (map::insert(_Pair&&))
1143         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
1144         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
1145         (multimap::insert(const_iterator, _Pair&&)): Likewise.
1146         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
1147         (unordered_map::insert(const_iterator, _Pair&&))
1148         (unordered_multimap::insert(_Pair&&))
1149         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
1150         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
1151         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
1152         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
1153         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
1154         test.
1155
1156 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
1157
1158         * include/debug/safe_iterator.h
1159         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
1160         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
1161         New.
1162         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1163         ::_OtherSelf): New.
1164         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
1165         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
1166         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
1167         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1168         ::operator+(difference_type)): Use latters, inline as friend.
1169         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1170         ::operator-(difference_type)): Likewise.
1171         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1172         Likewise.
1173         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1174         Likewise.
1175         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1176         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1177         Likewise.
1178         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1179         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1180         Likewise.
1181         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1182         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
1183         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
1184         * include/debug/safe_iterator.tcc
1185         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
1186         copy.
1187         * include/debug/safe_local_iterator.h
1188         (_Safe_local_iterator<_It, _Seq>::_Self): New.
1189         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
1190         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
1191         (operator==(const _Safe_local_iterator<>&,
1192         const _Safe_local_iterator<>&)): Use latter, inline as friend.
1193         (operator!=(const _Safe_local_iterator<>&,
1194         const _Safe_local_iterator<>&)): Likewise.
1195         * testsuite/util/testsuite_containers.h: Include utility.
1196         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
1197         parameter.
1198         (forward_members_unordered<>::forward_members_unordered(value_type&)):
1199         Add using namespace std::rel_ops.
1200         Add iterator_concept_checks on local_iterator and const_local_iterator.
1201         Add asserts on comparison between const_local_iterator and
1202         local_iterator.
1203         (struct forward_members_unordered<_Tp, false>): Remove partial
1204         specialization.
1205         * testsuite/23_containers/forward_list/types/1.cc: New.
1206         * testsuite/23_containers/list/types/1.cc: New.
1207
1208 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
1209
1210         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
1211         references.
1212
1213 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
1214
1215         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
1216         Add dg-require-fileio.
1217         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
1218         Likewise.
1219         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
1220         Likewise.
1221         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
1222         Likewise.
1223         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
1224         Likewise.
1225         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
1226         Likewise.
1227         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
1228         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
1229         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
1230         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
1231         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
1232         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
1233         Likewise.
1234         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
1235         Likewise.
1236         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
1237         Likewise.
1238         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
1239         Likewise.
1240         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
1241         Likewise.
1242         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
1243         Likewise.
1244         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
1245         Likewise.
1246         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
1247         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
1248         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
1249         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
1250         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
1251         Likewise.
1252         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
1253         Likewise.
1254         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
1255         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
1256         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
1257         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
1258         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
1259         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
1260         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
1261         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
1262         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
1263         Likewise.
1264         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
1265         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
1266         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
1267         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
1268         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
1269         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
1270         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
1271         Likewise.
1272         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
1273
1274 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
1275
1276         * testsuite/experimental/propagate_const/observers/1.cc: Make
1277         dependence on -fdelete-null-pointer-checks explicit.
1278
1279 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
1280
1281         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
1282         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
1283         of the number of bits in the type.
1284         * include/std/bit (__ceil2): Avoid undefined shifts.
1285         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
1286         the most signifiant bit set.
1287
1288         * config/abi/pre/gnu.ver: Add missing exports for mingw.
1289
1290         * include/ext/pointer.h (_Pointer_adapter): Define operators for
1291         pointer arithmetic using long long offsets.
1292         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
1293         long long values.
1294
1295 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
1296
1297         PR libstdc++/31413
1298         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
1299         string for alternative format.
1300
1301 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
1302
1303         PR libstdc++/87116
1304         * src/filesystem/std-path.cc (path::lexically_normal): When handling
1305         a dot-dot filename, preserve an empty final component in the iteration
1306         sequence.
1307         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
1308         root-directory.
1309         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
1310         for more than two adjacent dot-dot filenames.
1311         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
1312         preferred-separator in expected normalized strings.
1313
1314 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
1315
1316         PR libstdc++/70694
1317         * configure.host (OPT_LDFLAGS): Don't append
1318         -fvisibility-inlines-hidden for newer Darwin.
1319
1320 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
1321
1322         PR libstdc++/86822
1323         * libsupc++/new (operator new(size_t, nothrow_t), operator
1324         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
1325         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
1326
1327 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
1328
1329         * include/debug/deque (std::__debug::deque): Declare.
1330         * include/debug/forward_list (std::__debug::forward_list): Declare.
1331         * include/debug/list (std::__debug::list): Declare.
1332         * include/debug/map (std::__debug::map): Declare.
1333         * include/debug/set (std::__debug::set): Declare.
1334         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
1335         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
1336         * include/debug/vector (std::__debug::vector): Declare.
1337         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
1338         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
1339         test.
1340         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
1341         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
1342         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
1343         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
1344         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
1345         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
1346         test.
1347         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
1348         New test.
1349         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
1350         New test.
1351         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
1352         test.
1353         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
1354         Adjust dg-error lineno.
1355         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
1356         test.
1357
1358 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
1359
1360         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1361         Only define when RTTI is enabled.
1362
1363         * include/debug/vector (__niter_base): Define for C++98.
1364
1365         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
1366         Fix C++98 test to not use C++11 features.
1367         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
1368
1369         * scripts/check_compile: Fix comments.
1370
1371         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
1372         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
1373         begin(), for C++98 compatibility.
1374
1375         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1376         (basic_string::__const_iterator): Change access to protected.
1377         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
1378         as typedef for iterator.
1379         * include/debug/string (__const_iterator): Use typedef from base.
1380         (insert(const_iterator, _CharT))
1381         (replace(const_iterator, const_iterator, const basic_string&))
1382         (replace(const_iterator, const_iterator, const _CharT*, size_type))
1383         (replace(const_iterator, const_iterator, const CharT*))
1384         (replace(const_iterator, const_iterator, size_type, _CharT))
1385         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
1386         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
1387         Change const_iterator parameters to __const_iterator.
1388         (insert(iterator, size_type, _CharT)): Add C++98 overload.
1389         (insert(const_iterator, _InputIterator, _InputIterator)): Change
1390         const_iterator parameter to __const_iterator.
1391         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
1392         of base's member function.
1393         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
1394         Likewise.
1395         (insert(const_iterator, initializer_list<_CharT>))
1396         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1397         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
1398         target directive.
1399
1400         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
1401         not use C++14 feature.
1402         * testsuite/23_containers/list/68222_neg.cc: Likewise.
1403
1404         * testsuite/21_strings/basic_string/init-list.cc:
1405         Require cxx11-abi.
1406         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1407         Likewise.
1408         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1409         Likewise.
1410
1411         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
1412         C++98 mode.
1413         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
1414         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
1415         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
1416         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
1417         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
1418
1419 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
1420
1421         PR libstdc++/87061
1422         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
1423         (experimental::pmr::match_results, experimental::pmr::cmatch)
1424         (experimental::pmr::smatch, experimental::pmr::wcmatch)
1425         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
1426         because COW strings don't support C++11 allocator model.
1427         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
1428         (experimental::pmr::basic_string, experimental::pmr::string)
1429         (experimental::pmr::u16string, experimental::pmr::u32string)
1430         (experimental::pmr::wstring): Likewise.
1431         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
1432         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
1433         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
1434         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
1435         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
1436         cxx11-abi.
1437         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
1438
1439         PR libstdc++/78448
1440         * include/bits/deque.tcc (deque::_M_range_initialize): Use
1441         _S_check_init_len to check size.
1442         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
1443         error if size would exceed max_size().
1444         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
1445         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
1446         size_t instead of size_type.
1447         (deq(size_type, const allocator_type&)
1448         (deq(size_type, const value_type&, const allocator_type&)
1449         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
1450         (deque::max_size): Call _S_max_size.
1451         (deque::_S_check_init_len, deque::_S_max_size): New functions.
1452         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
1453         (vector(size_type, const value_type&, const allocator_type&))
1454         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
1455         _S_check_init_len to check size.
1456         (vector::max_size): Call _S_max_size.
1457         (vector::_M_check_len): Prevent max from being expanded as a
1458         function-like macro.
1459         (vector::_S_check_init_len, vector::_S_max_size): New functions.
1460         * include/bits/vector.tcc (vector::_M_assign_aux): Use
1461         _S_check_init_len to check size.
1462         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
1463         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
1464
1465 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
1466
1467         PR libstdc++/68222
1468         * include/debug/safe_iterator.h
1469         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
1470         (_Safe_iterator<>::_Const_iterator): Remove.
1471         (_Safe_iterator<>::_IsConstant): New.
1472         (_Safe_iterator<>::_OtherIterator): New.
1473         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
1474         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
1475         __gnu_cxx::__enable_if condition.
1476         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
1477         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
1478         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
1479         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
1480         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
1481         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1482         ::operator--()): ...here.
1483         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
1484         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1485         ::operator--(int)): ...here.
1486         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
1487         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
1488         ::_M_decrementable()): ...here.
1489         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
1490         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
1491         Move...
1492         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1493         ::operator[](const difference_type&)): ...here.
1494         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
1495         Move...
1496         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1497         ::operator+=(const difference_type&)): ...here.
1498         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
1499         Move...
1500         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1501         ::operator+(const difference_type&)): ...here.
1502         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
1503         Move...
1504         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1505         ::operator-=(const difference_type&)): ...here.
1506         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
1507         Move...
1508         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
1509         ::operator-(const difference_type&)): ...here.
1510         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1511         Constraint to random access iterators.
1512         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1513         Likewise.
1514         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1515         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1516         Likewise.
1517         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1518         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
1519         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
1520         (__get_distance): Remove.
1521         (__get_distance_from_begin): Remove.
1522         (__get_distance_to_end): Remove.
1523         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
1524         specialization.
1525         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
1526         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
1527         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
1528         * include/debug/safe_iterator.tcc
1529         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
1530         (_Safe_iterator<>::_M_get_distance_to_end()): New.
1531         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
1532         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1533         ::_M_valid_range): New.
1534         * include/debug/safe_local_iterator.h
1535         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
1536         (_Safe_local_iterator<>::_IsConstant): New.
1537         (_Safe_local_iterator<>::_OtherIterator): New.
1538         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
1539         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
1540         in __gnu_cxx::__enable_if condition. If singular compare base iterator
1541         with _MutIte rather than _It.
1542         (_Safe_local_iterator<>::_S_constant): Make constexpr.
1543         (_Safe_local_iterator<>::_M_get_distance_to): New.
1544         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
1545         (__get_distance(const _Safe_local_iterator<>&,
1546         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
1547         (__valid_range(const _Safe_local_iterator<>&,
1548         const _Safe_local_iterator<>&)): New.
1549         * include/debug/safe_local_iterator.tcc
1550         (_Safe_local_iterator<>::_M_get_distance_to): New.
1551         * include/debug/deque (std::__debug::deque<>): Add
1552         ::__gnu_debug::_Safe_iterator<> friend declaration.
1553         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
1554         * include/debug/list (std::__debug::list<>): Likewise.
1555         * include/debug/map.h (std::__debug::map<>): Likewise.
1556         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
1557         * include/debug/set.h (std::__debug::set<>): Likewise.
1558         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
1559         * include/debug/string (std::__debug::basic_string<>): Likewise.
1560         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
1561         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
1562         (std::__debug::unordered_multimap<>): Likewise.
1563         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
1564         (std::__debug::unordered_multiset<>): Likewise.
1565         * include/debug/formatter.h: Adapt.
1566         * include/debug/helper_functions.h
1567         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
1568         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
1569         Pass parameter by copy.
1570         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
1571         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
1572         (__valid_range_aux<_Integral>): Pass _Integral by copy.
1573         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
1574         (__valid_range<>(const _Safe_iterator<>&,
1575         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
1576         Declare.
1577         (__valid_range(const _Safe_local_iterator<>&,
1578         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
1579         Declare.
1580         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1581         Declare.
1582         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
1583         Declare.
1584         (__can_advance): Adapt.
1585         (struct __is_safe_random_iterator<>): Remove.
1586         (struct _SIter_base<>): Remove.
1587         * include/debug/functions.h: Include <bits/stl_iterator.h>.
1588         (__check_dereferenceable): Remove.
1589         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
1590         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
1591         (__foreign_iterator): Adapt.
1592         * include/debug/stl_iterator.h
1593         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
1594         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
1595         Constraint for random access iterators.
1596         (__niter_base): Adapt.
1597         * testsuite/util/testsuite_containers.h:
1598         Include <bits/boost_concept_check.h>.
1599         (iterator_concept_checks<_It, _Mutable, _Category>): New.
1600         (citerator<_Cont>::forward_members::forward_members()): Instantiate
1601         latter for container iterator and const_iterator.
1602         * testsuite/23_containers/list/68222_neg.cc: New.
1603         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
1604         line number.
1605         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
1606         (test01): Remove.
1607         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
1608         Remove.
1609
1610 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
1611
1612         PR libstdc++/77854
1613         * doc/xml/manual/status_cxx1998.xml: Document size_type and
1614         difference_type for containers.
1615         * doc/html/*: Regenerate.
1616
1617 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
1618
1619         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1620         * include/debug/forward_list (forward_list::__remove_return_type):
1621         Define typedef as size_type or void, according to __cplusplus value.
1622         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1623         empty, according to __cplusplus value.
1624         (_GLIBCXX20_ONLY): Define macro.
1625         (forward_list::remove, forward_list::unique): Use typedef and macro
1626         to change return type and add abi-tag for C++2a. Return number of
1627         removed elements for C++2a.
1628         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
1629         typedef to change return type for C++2a. Return number of removed
1630         elements for C++2a.
1631         * include/debug/list (list::__remove_return_type): Define typedef as
1632         size_type or void, according to __cplusplus value.
1633         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1634         empty, according to __cplusplus value.
1635         (_GLIBCXX20_ONLY): Define macro.
1636         (list::remove, list::unique): Use typedef and macro to change return
1637         type and add abi-tag for C++2a. Return number of removed elements for
1638         C++2a.
1639         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
1640         to change return type for C++2a. Return number of removed elements for
1641         C++2a.
1642
1643 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
1644
1645         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
1646
1647 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
1648
1649         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
1650         redundant dg-do directive.
1651         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1652         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1653         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1654         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1655
1656 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
1657
1658         PR libstdc++/86963
1659         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
1660         (_Tuple_impl::_M_assign): New functions to perform assignment instead
1661         of assignment operators.
1662         (_Tuple_impl::_M_swap): Remove exception specification.
1663         (_Tuple_impl<_Idx, _Head>): Likewise.
1664         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
1665         (__tuple_base): Remove.
1666         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
1667         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
1668         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
1669         using __is_nothrow_swappable.
1670         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
1671
1672         * include/std/optional (_Optional_payload): Use variable templates
1673         for conditions in default template arguments and exception
1674         specifications.
1675         (optional): Likewise. Adjust indentation.
1676         (optional::__not_self, optional::__not_tag, optional::_Requires): New
1677         SFINAE helpers.
1678         (optional::optional): Use new helpers in constructor constraints.
1679         * include/std/type_traits (__or_v, __and_v): New variable templates.
1680         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
1681         dg-prune-output. Remove unused header.
1682
1683 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
1684
1685         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
1686         _GLIBCXX_DEBUG.
1687
1688 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
1689
1690         PR libstdc++/86963
1691         * include/std/tuple (__tuple_base): New class template with deleted
1692         copy assignment operator.
1693         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
1694         implicit copy/move assignment operator will be deleted/suppressed.
1695         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
1696         functions for SFINAE constraints on assignment operators.
1697         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
1698         New helper functions for exception specifications.
1699         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
1700         (tuple<_T1, _T2>::operator=(const tuple&))
1701         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
1702         __nonesuch_no_braces when the operator should be defined implicitly.
1703         Use __nothrow_assignable for exception specifications.
1704         (tuple::operator=(const tuple<_UElements...>&))
1705         (tuple::operator=(tuple<_UElements...>&&))
1706         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
1707         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
1708         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
1709         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
1710         __assignable and use __nothrow_assignable for exception
1711         specifications.
1712         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
1713         gdb.Type as first argument, instead of a string.
1714         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
1715         tuple for expected structure.
1716         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
1717         * testsuite/20_util/tuple/dr2729.cc: New test.
1718         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
1719         to dg-prune-output.
1720
1721 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
1722
1723         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
1724         about signed/unsigned comparison.
1725
1726         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
1727         deprecation warnings for using uncaught_exception().
1728
1729         PR libstdc++/86447
1730         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
1731         (logic_error::logic_error(logic_error&&))
1732         (logic_error::operator=(logic_error&&))
1733         (runtime_error::runtime_error(runtime_error&&))
1734         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
1735         moving, to avoid allocating empty reps for moved-from strings.
1736
1737 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
1738
1739         * include/experimental/regex: Remove begin/end macros for namespace.
1740         * include/experimental/string: Likewise.
1741         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
1742         New test.
1743         * testsuite/experimental/polymorphic_allocator/
1744         pmr_typedefs_forward_list.cc: New test.
1745         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
1746         New test.
1747         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
1748         New test.
1749         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1750         New test.
1751         * testsuite/experimental/polymorphic_allocator/
1752         pmr_typedefs_multimap.cc: New test.
1753         * testsuite/experimental/polymorphic_allocator/
1754         pmr_typedefs_multiset.cc: New test.
1755         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
1756         New test.
1757         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1758         New test.
1759         * testsuite/experimental/polymorphic_allocator/
1760         pmr_typedefs_unordered_map.cc: New test.
1761         * testsuite/experimental/polymorphic_allocator/
1762         pmr_typedefs_unordered_multimap.cc: New test.
1763         * testsuite/experimental/polymorphic_allocator/
1764         pmr_typedefs_unordered_multiset.cc: New test.
1765         * testsuite/experimental/polymorphic_allocator/
1766         pmr_typedefs_unordered_set.cc: New test.
1767         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
1768         New test.
1769
1770         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
1771         calls to __uses_allocator_construct_impl and __use_alloc.
1772         * include/experimental/memory_resource
1773         (polymorphic_allocator::_M_construct): Remove.
1774         (polymorphic_allocator::construct): Call __uses_allocator_construct.
1775         Qualify calls to __use_alloc.
1776         * include/std/memory_resource (polymorphic_allocator::construct): Fix
1777         type in SFINAE constraint. Use constexpr if instead of tag dispatching
1778         to _S_construct overloads.
1779         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
1780         arguments to _S_construct_p.
1781         (polymorphic_allocator::_S_construct): Remove.
1782         (polymorphic_allocator::_S_construct_p): Return allocators by value
1783         not by reference.
1784         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
1785         Qualify calls to __use_alloc.
1786         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
1787         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
1788         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
1789         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
1790         New test.
1791
1792         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
1793         (atomic_mem_res): Add unsynchronized definition for single-threaded.
1794
1795 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
1796
1797         PR libstdc++/86954
1798         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
1799         non-placement delete.
1800
1801         * include/std/chrono (__check_overflow): Simplify definition.
1802         (_Checked_integral_constant): Remove.
1803
1804         PR libstdc++/86846
1805         * src/c++17/default_resource.h: New file, defining default_res.
1806         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
1807         (atomic_mem_res): Define alternative for atomic<memory_resource*>
1808         using a mutex instead of atomics.
1809
1810         PR libstdc++/85343
1811         * config/abi/pre/gnu.ver: Export new symbol.
1812         * doc/xml/manual/abi.xml: Document new versions.
1813         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
1814         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
1815         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
1816         Declare new overload.
1817         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
1818         and static member function.
1819         (__throw_ios_failure(const char*, int)): Define.
1820         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
1821         (__throw_ios_failure(const char*, int)): Define.
1822
1823 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
1824
1825         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
1826         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
1827         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
1828         copied/assigned rope iterators don't retain pointers to the iterator
1829         they were copied/assigned from.
1830         * testsuite/ext/rope/7.cc: New.
1831
1832 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
1833
1834         PR libstdc++/45093
1835         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
1836         Combine definitions to avoid --detect-odr-violations warning.
1837
1838         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
1839         __is_pow2 to check for valid alignment. Avoid branching when rounding
1840         size to multiple of alignment.
1841
1842         * include/Makefile.am: Install <bit> and <version> for freestanding.
1843         * include/Makefile.in: Regenerate.
1844         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
1845
1846         Revert
1847         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1848
1849         PR target/85904
1850         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
1851         Newlib.
1852         * configure: Regenerate.
1853
1854 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
1855
1856         PR libstdc++/68210
1857         * doc/xml/manual/intro.xml: Document LWG 206 change.
1858         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1859         * libsupc++/del_opa.cc: Likewise.
1860         * libsupc++/del_opant.cc: Likewise.
1861         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
1862         of free(ptr).
1863         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1864         * libsupc++/del_opsa.cc: Likewise.
1865         * libsupc++/del_opva.cc: Likewise.
1866         * libsupc++/del_opvant.cc: Likewise.
1867         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
1868         instead of operator delete(ptr).
1869         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
1870         * libsupc++/del_opvsa.cc: Likewise.
1871         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
1872         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
1873         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
1874         with noexcept.
1875         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
1876         malloc(sz).
1877         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
1878         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
1879         operator new(sz, nothrow).
1880         * testsuite/18_support/new_nothrow.cc: New test.
1881
1882 2018-08-10  Martin Liska  <mliska@suse.cz>
1883
1884         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
1885         predictor can handle that.
1886         * libsupc++/new_opa.cc: Likewise.
1887         * libsupc++/new_opnt.cc (new): Likewise.
1888
1889 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1890
1891         PR target/85904
1892         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
1893         Newlib.
1894         * configure: Regenerate.
1895
1896 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
1897
1898         * include/std/deque (std::pmr::deque): Declare alias.
1899         * include/std/forward_list (std::pmr::forward_list): Likewise.
1900         * include/std/list (std::pmr::list): Likewise.
1901         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
1902         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
1903         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
1904         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
1905         * include/std/string (std::pmr::basic_string, std::pmr::string)
1906         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
1907         Likewise.
1908         * include/std/unordered_map (std::pmr::unordered_map)
1909         (std::pmr::unordered_multimap): Likewise.
1910         * include/std/unordered_set (std::pmr::unordered_set)
1911         (std::pmr::unordered_multiset): Likewise.
1912         * include/std/vector (std::pmr::vector): Likewise.
1913         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
1914         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
1915         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
1916         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
1917         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
1918         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
1919         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
1920         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
1921         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
1922         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
1923         test.
1924         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
1925         test.
1926         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
1927         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
1928         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
1929
1930 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
1931
1932         * include/bits/stl_algo.h
1933         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
1934         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
1935         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
1936         duplication...
1937         (rotate(_Ite, _Ite, _Ite)): ...here.
1938         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
1939         Simplify rotate call.
1940         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
1941         Likewise.
1942         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
1943         Likewise.
1944
1945 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
1946
1947         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
1948         avoid clashing with an ::aligned_alloc function that was not detected
1949         by configure.
1950
1951         * doc/xml/manual/using.xml: Fix markup for empty table entry.
1952         * doc/html/*: Regenerate.
1953
1954         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
1955         * doc/html/*: Regenerate.
1956
1957         PR libstdc++/86597
1958         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
1959         Clear error_code when cached type is used.
1960         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
1961
1962 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
1963
1964         PR libstdc++/86874
1965         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
1966         here instead of in _Move_assign_base.
1967         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
1968         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
1969         the contained value to another alternative.
1970         (_Move_assign_base::operator=): Likewise.
1971         (_Move_assign_base::_M_destructive_move): Remove.
1972         * testsuite/20_util/variant/86874.cc: New test.
1973
1974         PR libstdc++/86861
1975         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
1976         Replace macro with inline function.
1977         [__sun]: Increase alignment to meet memalign precondition.
1978         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
1979         (aligned_alloc): Move check for valid alignment to operator new.
1980         Remove redundant check for non-zero size, it's enforced by the caller.
1981         (operator new): Move check for valid alignment here. Use
1982         __builtin_expect on check for zero size.
1983
1984         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
1985         * include/std/memory_resource (monotonic_buffer_resource::release):
1986         Call _M_release_buffers to free buffers.
1987         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
1988         allocate a new buffer from upstream.
1989         (monotonic_buffer_resource::_M_new_buffer): Declare.
1990         (monotonic_buffer_resource::_M_release_buffers): Declare.
1991         (monotonic_buffer_resource::_Chunk): Replace definition with
1992         declaration as opaque type.
1993         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
1994         Define.
1995         (monotonic_buffer_resource::_M_new_buffer): Define.
1996         (monotonic_buffer_resource::_M_release_buffers): Define.
1997
1998 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
1999
2000         * include/bits/stl_iterator.h: Fix comment.
2001
2002 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
2003
2004         * src/c++11/system_error.cc
2005         (system_error_category::default_error_condition): Add workaround for
2006         ENOTEMPTY and EEXIST having the same value on AIX.
2007         * testsuite/19_diagnostics/error_category/system_category.cc: Add
2008         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
2009
2010 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2011
2012         * configure: Regenerate.
2013         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
2014         * src/c++11/futex.cc: Use __glibcxx_assert instead of
2015         _GLIBCXX_DEBUG_ASSERT.
2016
2017 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2018
2019         * include/std/condition_variable (wait_for): Use steady_clock.
2020
2021 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2022
2023         * include/std/condition_variable (wait_until): Only report timeout
2024         if we really have timed out when measured against the
2025         caller-supplied clock.
2026         * testsuite/30_threads/condition_variable/members/2.cc: Add test
2027         case to confirm above behaviour.
2028
2029 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2030
2031         PR libstdc++/60555
2032         * src/c++11/system_error.cc
2033         (system_error_category::default_error_condition): New override to
2034         check for POSIX errno values.
2035         * testsuite/19_diagnostics/error_category/generic_category.cc: New
2036         * testsuite/19_diagnostics/error_category/system_category.cc: New
2037         test.
2038
2039 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
2040
2041         PR libstdc++/86751
2042         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
2043         assignment operator.
2044         (pair): Derive from __pair_base.
2045         (pair::operator=): Remove deleted overload.
2046         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
2047         so that new base class isn't shown in GDB.
2048         * testsuite/20_util/pair/86751.cc: New test.
2049         * testsuite/20_util/pair/ref_assign.cc: New test.
2050
2051         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2052         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
2053         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
2054         instead of __has_builtin.
2055         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2056         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
2057         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
2058         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
2059         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
2060         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
2061         (__cpp_lib_has_unique_object_representations): Don't define when
2062         builtin not available.
2063         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
2064         Likewise.
2065         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
2066         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
2067         from here.
2068
2069         * doc/xml/manual/test.xml: Improve documentation on writing tests for
2070         newer standards.
2071         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
2072         * doc/html/*: Regenerate.
2073
2074         * include/ext/pointer.h [__cplusplus >= 201103L]
2075         (_Pointer_adapter::operator bool): Add explicit conversion operator
2076         to replace safe bool idiom.
2077
2078 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
2079
2080         PR libstdc++/86734
2081         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
2082         _S_to_pointer (LWG 1052, LWG 2118).
2083         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
2084         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
2085         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
2086
2087         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
2088         workaround for aligned_alloc bug on AIX.
2089         * testsuite/18_support/new_aligned.cc: New test.
2090
2091 2018-07-26  Marek Polacek  <polacek@redhat.com>
2092
2093         * testsuite/30_threads/condition_variable_any/cond.cc: New.
2094
2095 2018-07-26  Marek Polacek  <polacek@redhat.com>
2096
2097         * src/c++98/locale_init.cc: Fix #ifdef condition.
2098
2099 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2100
2101         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
2102         dg-require-cstdint directive.
2103         * testsuite/20_util/allocator/overaligned.cc: Likewise.
2104         * testsuite/20_util/any/cons/aligned.cc: Likewise.
2105         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
2106         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
2107         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
2108         Likewise.
2109         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2110         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
2111         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
2112         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
2113         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
2114         random_device effective-target.
2115         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
2116         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
2117         * testsuite/25_algorithms/sample/2.cc: Likewise.
2118         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
2119         and random_device.
2120         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
2121         cstdint.
2122         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
2123         Likewise.
2124         * testsuite/26_numerics/random/discard_block_engine/requirements/
2125         constexpr_data.cc: Likewise.
2126         * testsuite/26_numerics/random/discard_block_engine/requirements/
2127         constexpr_functions.cc: Likewise.
2128         * testsuite/26_numerics/random/independent_bits_engine/requirements/
2129         constexpr_functions.cc: Likewise.
2130         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2131         constexpr_data.cc: Likewise.
2132         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2133         constexpr_functions.cc: Likewise.
2134         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2135         constexpr_data.cc: Likewise.
2136         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2137         constexpr_functions.cc: Likewise.
2138         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
2139         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
2140         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2141         constexpr_data.cc: Add dg-require-cstdint directive.
2142         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2143         constexpr_functions.cc: Likewise.
2144         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2145         constexpr_data.cc: Likewise.
2146         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2147         constexpr_functions.cc: Likewise.
2148         * testsuite/26_numerics/random/uniform_real_distribution/operators/
2149         64351.cc: Likewise.
2150         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
2151         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2152         * testsuite/experimental/algorithm/sample.cc: Likewise.
2153         * testsuite/experimental/algorithm/search.cc: Likewise.
2154         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2155         * testsuite/experimental/any/cons/aligned.cc: Likewise.
2156         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2157         Likewise.
2158         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
2159         * testsuite/experimental/random/randint.cc: Likewise.
2160         * testsuite/experimental/source_location/1.cc: Likewise.
2161         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
2162         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
2163         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
2164         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
2165         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
2166         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
2167         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
2168         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
2169         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
2170         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
2171         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
2172         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
2173         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
2174         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
2175         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
2176         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
2177         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
2178         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
2179         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
2180         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2181         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
2182         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
2183         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
2184
2185         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
2186         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
2187         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
2188         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
2189         Likewise.
2190         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
2191         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
2192         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
2193         Likewise.
2194         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
2195         Likewise.
2196         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
2197         Likewise.
2198         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
2199         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
2200         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
2201         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
2202         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
2203         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
2204         Likewise.
2205         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
2206         Likewise.
2207         * testsuite/30_threads/recursive_timed_mutex/dest/
2208         destructor_locked.cc: Likewise.
2209         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
2210         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
2211         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
2212         Likewise.
2213         * testsuite/30_threads/recursive_timed_mutex/native_handle/
2214         typesizes.cc: Likewise.
2215         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
2216         Likewise.
2217         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
2218         Likewise.
2219         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
2220         Likewise.
2221         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
2222         Likewise.
2223         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
2224         Likewise.
2225         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
2226         Likewise.
2227         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
2228         Likewise.
2229         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
2230         Likewise.
2231         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
2232         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
2233         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
2234         * testsuite/30_threads/scoped_lock/requirements/
2235         explicit_instantiation.cc: Likewise.
2236         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
2237         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
2238         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
2239         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
2240         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
2241         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
2242         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
2243         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
2244         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
2245         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
2246         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
2247         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
2248         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
2249         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
2250         * testsuite/30_threads/shared_future/requirements/
2251         explicit_instantiation.cc: Likewise.
2252         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
2253         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
2254         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
2255         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
2256         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
2257         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
2258         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
2259         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
2260         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
2261         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
2262         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
2263         * testsuite/30_threads/shared_lock/requirements/
2264         explicit_instantiation.cc: Likewise.
2265         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
2266         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
2267         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
2268         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
2269         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
2270         Likewise.
2271         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
2272         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
2273         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
2274         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
2275         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
2276         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
2277         * testsuite/30_threads/shared_timed_mutex/requirements/
2278         standard_layout.cc: Likewise.
2279         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
2280         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
2281         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
2282         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
2283         * testsuite/30_threads/this_thread/1.cc: Likewise.
2284         * testsuite/30_threads/this_thread/2.cc: Likewise.
2285         * testsuite/30_threads/this_thread/3.cc: Likewise.
2286         * testsuite/30_threads/this_thread/4.cc: Likewise.
2287         * testsuite/30_threads/this_thread/58038.cc: Likewise.
2288         * testsuite/30_threads/thread/70503.cc: Likewise.
2289         * testsuite/30_threads/thread/84532.cc: Likewise.
2290         * testsuite/30_threads/thread/adl.cc: Likewise.
2291         * testsuite/30_threads/thread/cons/1.cc: Likewise.
2292         * testsuite/30_threads/thread/cons/2.cc: Likewise.
2293         * testsuite/30_threads/thread/cons/3.cc: Likewise.
2294         * testsuite/30_threads/thread/cons/4.cc: Likewise.
2295         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
2296         * testsuite/30_threads/thread/cons/5.cc: Likewise.
2297         * testsuite/30_threads/thread/cons/6.cc: Likewise.
2298         * testsuite/30_threads/thread/cons/7.cc: Likewise.
2299         * testsuite/30_threads/thread/cons/8.cc: Likewise.
2300         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
2301         * testsuite/30_threads/thread/cons/9.cc: Likewise.
2302         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
2303         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
2304         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
2305         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
2306         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
2307         * testsuite/30_threads/thread/id/operators.cc: Likewise.
2308         * testsuite/30_threads/thread/members/1.cc: Likewise.
2309         * testsuite/30_threads/thread/members/2.cc: Likewise.
2310         * testsuite/30_threads/thread/members/3.cc: Likewise.
2311         * testsuite/30_threads/thread/members/4.cc: Likewise.
2312         * testsuite/30_threads/thread/members/5.cc: Likewise.
2313         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
2314         Likewise.
2315         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
2316         * testsuite/30_threads/thread/swap/1.cc: Likewise.
2317         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
2318         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
2319         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
2320         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
2321         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
2322         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
2323         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
2324         Likewise.
2325         * testsuite/30_threads/timed_mutex/requirements/
2326         standard_layout.cc: Likewise.
2327         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
2328         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
2329         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
2330         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
2331         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
2332         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
2333         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
2334         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
2335         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
2336         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
2337         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
2338         * testsuite/30_threads/try_lock/1.cc: Likewise.
2339         * testsuite/30_threads/try_lock/2.cc: Likewise.
2340         * testsuite/30_threads/try_lock/3.cc: Likewise.
2341         * testsuite/30_threads/try_lock/4.cc: Likewise.
2342         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
2343         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
2344         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
2345         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
2346         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
2347         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
2348         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
2349         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
2350         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
2351         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
2352         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
2353         * testsuite/30_threads/unique_lock/requirements/
2354         explicit_instantiation.cc: Likewise.
2355         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
2356
2357         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
2358         directive.
2359         * testsuite/30_threads/async/49668.cc: Likewise.
2360         * testsuite/30_threads/async/54297.cc: Likewise.
2361         * testsuite/30_threads/async/84532.cc: Likewise.
2362         * testsuite/30_threads/async/any.cc: Likewise.
2363         * testsuite/30_threads/async/async.cc: Likewise.
2364         * testsuite/30_threads/async/except.cc: Likewise.
2365         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
2366         * testsuite/30_threads/async/launch.cc: Likewise.
2367         * testsuite/30_threads/async/lwg2021.cc: Likewise.
2368         * testsuite/30_threads/async/sync.cc: Likewise.
2369         * testsuite/30_threads/call_once/39909.cc: Likewise.
2370         * testsuite/30_threads/call_once/49668.cc: Likewise.
2371         * testsuite/30_threads/call_once/60497.cc: Likewise.
2372         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
2373         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
2374         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
2375         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
2376         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
2377         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
2378         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
2379         Likewise.
2380         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
2381         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
2382         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
2383         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
2384         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
2385         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
2386         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
2387         Likewise.
2388         * testsuite/30_threads/condition_variable/requirements/
2389         standard_layout.cc: Likewise.
2390         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
2391         * Likewise.
2392         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
2393         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
2394         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
2395         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
2396         Likewise.
2397         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
2398         Likewise.
2399         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
2400         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
2401         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
2402         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
2403         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
2404         * testsuite/30_threads/future/cons/default.cc: Likewise.
2405         * testsuite/30_threads/future/cons/move.cc: Likewise.
2406         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
2407         * testsuite/30_threads/future/members/45133.cc: Likewise.
2408         * testsuite/30_threads/future/members/get.cc: Likewise.
2409         * testsuite/30_threads/future/members/get2.cc: Likewise.
2410         * testsuite/30_threads/future/members/share.cc: Likewise.
2411         * testsuite/30_threads/future/members/valid.cc: Likewise.
2412         * testsuite/30_threads/future/members/wait.cc: Likewise.
2413         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
2414         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
2415         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
2416         Likewise.
2417         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
2418         Likewise.
2419         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
2420         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
2421         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
2422         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
2423         * testsuite/30_threads/lock/1.cc: Likewise.
2424         * testsuite/30_threads/lock/2.cc: Likewise.
2425         * testsuite/30_threads/lock/3.cc: Likewise.
2426         * testsuite/30_threads/lock/4.cc: Likewise.
2427         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
2428         * testsuite/30_threads/lock_guard/requirements/
2429         explicit_instantiation.cc: Likewise.
2430         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
2431         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
2432         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
2433         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
2434         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
2435         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
2436         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
2437         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
2438         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
2439         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
2440         Likewise.
2441         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
2442         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
2443         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
2444         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
2445         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
2446         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
2447         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
2448         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
2449         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
2450         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
2451         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
2452         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
2453         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
2454         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2455         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2456         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
2457         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
2458         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
2459         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
2460         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
2461         Likewise.
2462         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
2463         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
2464         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
2465         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
2466         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
2467         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
2468         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
2469         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
2470         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
2471         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
2472         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
2473         * testsuite/30_threads/packaged_task/requirements/
2474         explicit_instantiation.cc: Likewise.
2475         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2476         * testsuite/30_threads/promise/60966.cc: Likewise.
2477         * testsuite/30_threads/promise/69106.cc: Likewise.
2478         * testsuite/30_threads/promise/cons/1.cc: Likewise.
2479         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
2480         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
2481         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
2482         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
2483         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
2484         * testsuite/30_threads/promise/cons/move.cc: Likewise.
2485         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
2486         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
2487         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
2488         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
2489         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
2490         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
2491         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
2492         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
2493         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
2494         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
2495         * testsuite/30_threads/promise/members/swap.cc: Likewise.
2496         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
2497         * Likewise.
2498         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
2499
2500         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
2501         from namespace std.
2502         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
2503         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
2504         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
2505         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
2506         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
2507         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
2508         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
2509         * testsuite/20_util/duration/cons/1.cc: Likewise.
2510         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
2511         * testsuite/20_util/duration/cons/2.cc: Likewise.
2512         * testsuite/20_util/duration/cons/54025.cc: Likewise.
2513         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
2514         * testsuite/20_util/duration/requirements/explicit_instantiation/
2515         explicit_instantiation.cc: Likewise.
2516         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2517         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2518         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2519         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
2520         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
2521         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
2522         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
2523         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
2524         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
2525         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
2526         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
2527         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
2528         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
2529         * testsuite/20_util/system_clock/1.cc: Likewise.
2530         * testsuite/20_util/time_point/1.cc: Likewise.
2531         * testsuite/20_util/time_point/2.cc: Likewise.
2532         * testsuite/20_util/time_point/3.cc: Likewise.
2533         * testsuite/20_util/time_point/requirements/explicit_instantiation/
2534         explicit_instantiation.cc: Likewise.
2535         * testsuite/21_strings/basic_string/requirements/
2536         explicit_instantiation/char16_t/1.cc: Likewise.
2537         * testsuite/21_strings/basic_string/requirements/
2538         explicit_instantiation/char32_t/1.cc: Likewise.
2539         * testsuite/21_strings/basic_string_view/requirements/
2540         explicit_instantiation/char16_t/1.cc: Likewise.
2541         * testsuite/21_strings/basic_string_view/requirements/
2542         explicit_instantiation/char32_t/1.cc: Likewise.
2543         * testsuite/21_strings/char_traits/requirements/
2544         explicit_instantiation/char16_t/1.cc: Likewise.
2545         * testsuite/21_strings/char_traits/requirements/
2546         explicit_instantiation/char32_t/1.cc: Likewise.
2547         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
2548         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
2549         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
2550         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
2551         Likewise.
2552         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
2553         Likewise.
2554         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
2555         Likewise.
2556         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
2557         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
2558         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
2559         Likewise.
2560         * testsuite/experimental/string_view/requirements/
2561         explicit_instantiation/char16_t/1.cc: Likewise.
2562         * testsuite/experimental/string_view/requirements/
2563         explicit_instantiation/char32_t/1.cc: Likewise.
2564         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
2565         1.cc: Likewise.
2566         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
2567         1.cc: Likewise.
2568
2569         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2570         (random_condition, throw_value_random, throw_allocator_random)
2571         (std::hash<throw_value_random>): Do not define when <tr1/random> is
2572         not usable.
2573         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
2574         define transactional memory support when <stdint.h> is not usable.
2575
2576         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
2577         implementation that doesn't depend on <stdint.h> types.
2578         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
2579         std::size_t when std::uintptr_t is not usable.
2580         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
2581         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
2582         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
2583
2584         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2585         (hash<u16string>, hash<u32string>): Remove dependency on
2586         _GLIBCXX_USE_C99_STDINT_TR1.
2587         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2588         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
2589         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
2590         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
2591         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2592         (codecvt<char16_t, char, mbstate_t>)
2593         (codecvt<char32_t, char, mbstate_t>)
2594         (codecvt_byname<char16_t, char, mbstate_t>)
2595         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
2596         on _GLIBCXX_USE_C99_STDINT_TR1.
2597         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2598         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
2599         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2600         (char_traits<char16_t>, char_traits<char32_t>)
2601         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
2602         on _GLIBCXX_USE_C99_STDINT_TR1.
2603         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
2604         (u16string_view, u32string_view, hash<u16string_view>)
2605         (hash<u32string_view>, operator""sv(const char16_t, size_t))
2606         (operator""sv(const char32_t, size_t)): Likewise.
2607         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2608         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
2609         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2610         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
2611         (__u32sso_string, __u32rc_string): Likewise.
2612         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
2613         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
2614         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
2615         (u16string_view, u32string_view, hash<u16string_view>)
2616         (hash<u32string_view>, operator""sv(const char16_t, size_t))
2617         (operator""sv(const char32_t, size_t)): Likewise.
2618         * src/c++11/codecvt.cc: Likewise.
2619         * src/c++98/locale_init.cc: Likewise.
2620         * src/c++98/localename.cc: Likewise.
2621
2622         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2623         (__atomic_futex_unsigned_base): Remove dependency on
2624         _GLIBCXX_USE_C99_STDINT_TR1 macro.
2625         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
2626         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
2627         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
2628         (uintmax_t): Define using predefined macros.
2629         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
2630         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
2631         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
2632         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
2633         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
2634         long long when <stdint.h> is not usable.
2635         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
2636         (condition_variable, condition_variable_any): Remove dependency on
2637         _GLIBCXX_USE_C99_STDINT_TR1.
2638         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
2639         (packaged_task, async): Likewise.
2640         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
2641         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
2642         (once_flag, call_once): Likewise.
2643         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
2644         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
2645         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
2646         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
2647         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
2648         (this_thread::sleep_until): Likewise.
2649         * src/c++11/chrono.cc: Remove dependency on
2650         _GLIBCXX_USE_C99_STDINT_TR1 macro.
2651         * src/c++11/condition_variable.cc: Likewise.
2652         * src/c++11/futex.cc: Likewise.
2653         * src/c++11/future.cc: Likewise.
2654         * src/c++11/mutex.cc: Likewise.
2655         * src/c++11/thread.cc: Likewise.
2656         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
2657         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2658         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2659         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2660         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
2661         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2662
2663 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2664
2665         PR libstdc++/77691
2666         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2667         xfail execution on 32-bit Solaris/x86.
2668
2669 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
2670
2671         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
2672         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
2673         (vector::_M_move_assign): Reorder the swaps.
2674
2675 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2676
2677         PR libstdc++/86676
2678         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
2679         same alignment for post-release allocation.
2680
2681 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
2682
2683         PR libstdc++/86676
2684         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
2685         buffer being misaligned and so returned pointer not being at start.
2686
2687         * include/experimental/memory_resource: Include <cstddef> header.
2688
2689         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
2690         * src/Makefile.am: Add comment.
2691         * src/c++17/Makefile.in: Regenerate.
2692
2693         * include/Makefile.am: Add new <bits/unique_lock.h> header.
2694         * include/Makefile.in: Regenerate.
2695         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
2696         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
2697         (unique_lock): Move definition to ...
2698         * include/bits/unique_lock.h: New header.
2699         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
2700         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
2701         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
2702         (unique_lock::try_lock_for): Define only when <chrono> is usable.
2703         * include/std/condition_variable: Include <bits/unique_lock.h>.
2704         * include/std/mutex: Likewise.
2705
2706 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
2707
2708         * config/abi/pre/gnu.ver: Export new symbols.
2709         * configure: Regenerate.
2710         * include/Makefile.am: Add new <memory_resource> header.
2711         * include/Makefile.in: Regenerate.
2712         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
2713         * include/std/memory_resource: New header.
2714         (memory_resource, polymorphic_allocator, new_delete_resource)
2715         (null_memory_resource, set_default_resource, get_default_resource)
2716         (pool_options, monotonic_buffer_resource): Define.
2717         * src/Makefile.am: Add c++17 directory.
2718         * src/Makefile.in: Regenerate.
2719         * src/c++11/Makefile.am: Fix comment.
2720         * src/c++17/Makefile.am: Add makefile for new sub-directory.
2721         * src/c++17/Makefile.in: Generate.
2722         * src/c++17/memory_resource.cc: New.
2723         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
2724         (default_res, new_delete_resource, null_memory_resource)
2725         (set_default_resource, get_default_resource): Define.
2726         * testsuite/20_util/memory_resource/1.cc: New test.
2727         * testsuite/20_util/memory_resource/2.cc: New test.
2728         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
2729         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
2730         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
2731         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
2732         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
2733         New test.
2734         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
2735         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
2736         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
2737         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
2738         Define concrete memory resource for testing.
2739         (__gnu_test::default_resource_mgr): Define RAII helper for changing
2740         default resource.
2741
2742         PR libstdc++/86658
2743         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
2744         parameter by reference, to avoid copying invalid iterators.
2745         * testsuite/25_algorithms/copy/86658.cc: New test.
2746
2747         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
2748         local variables for number of digits instead of type aliases.
2749         (__log2p1): Remove redundant branch also checked in __countl_zero.
2750
2751         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
2752         conditions. Add comments.
2753         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
2754         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2755         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
2756
2757         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
2758         (__uses_allocator_helper): Check conditions directly instead of
2759         using __is_erased_or_convertible.
2760
2761         * include/experimental/memory_resource: Adjust comments and
2762         whitespace.
2763         (__resource_adaptor_imp): Add second template parameter for type of
2764         memory resource base class.
2765         (memory_resource): Define default constructor, destructor, copy
2766         constructor and copy assignment operator as defaulted.
2767
2768         PR libstdc++/70966
2769         * include/experimental/memory_resource (__get_default_resource): Use
2770         placement new to create an object with dynamic storage duration.
2771
2772 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
2773
2774         PR libstdc++/70940
2775         * include/experimental/memory_resource
2776         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
2777         (__resource_adaptor_common::__guaranteed_alignment): New helper to
2778         give maximum alignment an allocator guarantees. Specialize for known
2779         allocators using new and malloc.
2780         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
2781         (__resource_adaptor_imp::do_deallocate): Likewise.
2782         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2783         Check that new and delete are called with expected sizes.
2784
2785 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
2786
2787         PR libstdc++/86595
2788         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
2789         noexcept.
2790
2791 2018-07-20  Fangrui Song  <maskray@google.com>
2792
2793         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
2794         _GLIBCXX_VISIBILITY(default).
2795
2796 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
2797
2798         PR libstdc++/86603
2799         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
2800
2801 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
2802
2803         * include/std/type_traits (__is_member_object_pointer_helper): Use
2804         __not_<is_function<_Tp>>::type instead of integral_constant.
2805         (__is_member_function_pointer_helper): Likewise for
2806         is_function<_Tp>::type.
2807         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
2808         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
2809         (is_trivially_constructible): Remove redundant use of
2810         is_constructible.
2811         (__is_trivially_copy_assignable_impl): Remove redundant use of
2812         is_copy_assignable.
2813         (__is_trivially_move_assignable_impl): Remove redundant use of
2814         is_move_assignable.
2815         (is_trivially_destructible): Use __bool_constant.
2816         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
2817         tests for scalar types.
2818
2819 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
2820
2821         * include/bits/stl_algobase.h (__copy_move_a): Used
2822         __is_trivially_copyable.
2823         (__copy_move_backward_a): Likewise.
2824         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
2825         New test.
2826
2827 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
2828
2829         PR libstdc++/86450
2830         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
2831         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
2832         * configure: Regenerate.
2833         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
2834         * doc/Makefile.in: Regenerate.
2835         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
2836         * include/Makefile.in: Regenerate.
2837         * libsupc++/Makefile.in: Regenerate.
2838         * po/Makefile.in: Regenerate.
2839         * python/Makefile.in: Regenerate.
2840         * src/Makefile.in: Regenerate.
2841         * src/c++11/Makefile.in: Regenerate.
2842         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
2843         from -Wabi=2 that don't affect exported symbols.
2844         * src/c++98/Makefile.in: Regenerate.
2845         * src/filesystem/Makefile.in: Regenerate.
2846         * testsuite/Makefile.in: Regenerate.
2847
2848         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
2849         (_Async_state_common::_M_join): Simplify use of std::call_once and
2850         corresponding explicit instantiation.
2851         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
2852         (__bind_simple): Remove definitions and explicit instantiation that
2853         are not required by exported symbols.
2854
2855 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
2856
2857         * scripts/create_testsuite_files: Fix typo in comment.
2858
2859         PR libstdc++/86537
2860         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
2861         non-standard partial specialization.
2862         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
2863         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
2864         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
2865
2866 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
2867
2868         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2869         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2870         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2871
2872 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
2873
2874         * include/debug/functions.h (__gnu_debug::__check_string): Move...
2875         * include/debug/string (__gnu_debug::__check_string): ... here.
2876         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
2877         (__glibcxx_check_string_n_constructor): New.
2878         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
2879         Use latter.
2880         (__glibcxx_check_string_constructor): New.
2881         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
2882         Use latter.
2883         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
2884         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
2885
2886 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
2887
2888         PR libstdc++/84928 use std::move in <numeric> algorithms
2889         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
2890         conditionally move, according to __cplusplus value.
2891         (accumulate, inner_product, partial_sum, adjacent_difference): Use
2892         _GLIBCXX_MOVE_IF_20.
2893         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
2894         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
2895         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
2896         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
2897
2898         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
2899
2900         P0935R0 Eradicating unnecessarily explicit default constructors
2901         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
2902         default constructor symbols.
2903         * include/std/sstream (basic_stringbuf, basic_istringstream)
2904         (basic_ostringstream, basic_stringstream): Remove default arguments
2905         from explicit constructors taking ios_base::openmode and add separate
2906         non-explicit default constructors.
2907         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
2908         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
2909         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
2910         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
2911         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
2912
2913         * include/std/variant (__accepted_index): Use void_t.
2914
2915 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
2916
2917         PR libstdc++/85831
2918         * config/abi/pre/gnu.ver: Export move constructors and move
2919         assignment operators for std::logic_error and std::runtime_error.
2920         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
2921         _GLIBCXX_USE_NOEXCEPT.
2922         (logic_error, runtime_error): Declare move constructors and move
2923         assignment operators. When not declared already, define copy
2924         constructors and copy assignment operators as explicit-defaulted.
2925         (domain_error, invalid_argument, length_error, out_of_range)
2926         (overflow_error, underflow_error): Define move constructors and move
2927         assignment operators as explicitly-defaulted.
2928         * libsupc++/exception.h (exception): Likewise.
2929         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
2930         move constructors and move assignment operators as defaulted.
2931         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
2932         assignment operators are defined.
2933
2934         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
2935         COW strings.
2936         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2937         Likewise.
2938         * testsuite/21_strings/basic_string/requirements/
2939         explicit_instantiation/debug.cc: Likewise.
2940
2941         PR libstdc++/58265
2942         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2943         (basic_string::assign(basic_string&&)): Add conditional noexcept
2944         depending on the allocator's is_always_equal property (LWG 2063).
2945         * testsuite/21_strings/basic_string/modifiers/assign/char/
2946         move_assign.cc: Check for non-throwing exception specification.
2947         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2948         move_assign.cc: Likewise.
2949
2950         PR libstdc++/58265
2951         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2952         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
2953         Add GLIBCXX_NOEXCEPT.
2954         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
2955         to depend on the allocator's is_always_equal property (LWG 2063).
2956         (basic_string::swap(basic_string&)): Likewise.
2957         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
2958         (basic_string::swap(basic_string&)): Likewise.
2959         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
2960         Check is_nothrow_move_assignable.
2961         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
2962         Check is_nothrow_move_assignable.
2963         * testsuite/21_strings/basic_string/cons/char/
2964         noexcept_move_construct.cc: Likewise.
2965         * testsuite/21_strings/basic_string/cons/wchar_t/
2966         noexcept_move_construct.cc: Likewise.
2967
2968 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2969
2970         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2971         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
2972         Define.
2973         (forward_list::__remove_return_type): Define typedef as size_type or
2974         void, according to __cplusplus value.
2975         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2976         empty, according to __cplusplus value.
2977         (forward_list::remove, forward_list::unique): Use typedef and macro
2978         to change return type and add abi-tag for C++2a.
2979         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2980         typedef to change return type for C++2a.
2981         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
2982         (forward_list::remove, forward_list::remove_if<Pred>)
2983         (forward_list::unique<BinPred>): Return number of removed elements
2984         for C++2a.
2985         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
2986         (list::remove, list::unique, list::remove_if<Predicate>)
2987         (list::unique<BinaryPredicate>): Return number of removed elements
2988         for C++2a.
2989         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
2990         (list::__remove_return_type): Define typedef as size_type or
2991         void, according to __cplusplus value.
2992         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2993         empty, according to __cplusplus value.
2994         (list::remove, list::unique): Use typedef and macro to change return
2995         type and add abi-tag for C++2a.
2996         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
2997         typedef to change return type for C++2a.
2998         * include/std/version (__cpp_lib_list_remove_return_type): Define.
2999         * testsuite/23_containers/forward_list/operations/
3000         remove_cxx20_return.cc: New.
3001         * testsuite/23_containers/forward_list/operations/
3002         unique_cxx20_return.cc: New.
3003
3004         P0458R2 Checking for Existence of an Element in Associative Containers
3005         * include/bits/stl_map.h (map::contains): Add for C++2a.
3006         * include/bits/stl_multimap.h (multimap::contains): Likewise.
3007         * include/bits/stl_multiset.h (multiset::contains): Likewise.
3008         * include/bits/stl_set.h (set::contains): Likewise.
3009         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
3010         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
3011         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
3012         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
3013         * include/bits/unordered_map.h (unordered_map::contains)
3014         (unordered_multimap::contains): Add for C++2a.
3015         * include/bits/unordered_set.h (unordered_set::contains)
3016         (unordered_multiset::contains): Likewise.
3017         * testsuite/23_containers/map/operations/contains.cc: New.
3018         * testsuite/23_containers/multimap/operations/contains.cc: New.
3019         * testsuite/23_containers/multiset/operations/contains.cc: New.
3020         * testsuite/23_containers/set/operations/contains.cc: New.
3021         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
3022         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
3023         New.
3024         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
3025         New.
3026         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
3027
3028 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
3029
3030         PR libstdc++/86272
3031         * include/debug/string
3032         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
3033         Use __glibcxx_check_insert_range.
3034         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
3035         __gnu_debug::string when _GLIBCXX_DEBUG.
3036         * 21_strings/basic_string/init-list.cc: Likewise.
3037         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
3038         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
3039         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
3040         * 21_strings/basic_string/types/1.cc: Likewise.
3041
3042 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3043
3044         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
3045         target for std::random_device.
3046         * testsuite/26_numerics/random/random_device/cons/default.cc:
3047         Likewise.
3048         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
3049         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3050         * testsuite/experimental/random/randint.cc: Likewise.
3051         * testsuite/lib/libstdc++.exp
3052         (check_effective_target_random_device): New proc.
3053
3054 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3055             Jakub Jelinek  <jakub@redhat.com>
3056
3057         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
3058
3059 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3060
3061         PR libstdc++/86398
3062         * include/std/type_traits (is_trivially_constructible): Check
3063         is_constructible before __is_trivially_constructible.
3064         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
3065         tests, including negative cases.
3066         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
3067         zero for dg-error lineno.
3068         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
3069         Likewise.
3070
3071         * include/std/bit (__rotl, __rotr): Avoid branch.
3072         (_If_is_unsigned_integer): Use remove_cv_t.
3073         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
3074
3075 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
3076
3077         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
3078         * include/Makefile.am: Add new header.
3079         * include/Makefile.in: Regenerate.
3080         * include/precompiled/stdc++.h: Include new header.
3081         * include/std/bit: New header.
3082         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
3083         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
3084         Define for C++14.
3085         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
3086         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
3087         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
3088         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
3089         std::byte.
3090         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
3091         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
3092         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
3093         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
3094         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
3095         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
3096         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
3097         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
3098         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
3099         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
3100
3101         * include/bits/alloc_traits.h: Remove redundant preprocessor
3102         condition.
3103
3104 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
3105
3106         * include/bits/stl_algobase.h (__niter_wrap): New.
3107         (__copy_move_a2(_II, _II, _OI)): Use latter.
3108         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
3109         (fill_n(_OI, _Size, const _Tp&)): Likewise.
3110         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
3111         * include/debug/stl_iterator.h
3112         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
3113         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
3114         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
3115         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
3116
3117 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
3118
3119         P0758R1 Implicit conversion traits
3120         * include/std/type_traits [__cplusplus > 201703]
3121         (__is_convertible_helper::__is_nothrow_type): Define new member.
3122         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
3123         noexcept.
3124         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
3125         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
3126         new members.
3127         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
3128         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
3129         * testsuite/20_util/is_nothrow_convertible/requirements/
3130         explicit_instantiation.cc: New.
3131         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
3132         New.
3133
3134         P0887R1 The identity metafunction
3135         * include/std/type_traits (type_identity, type_identity_t): Define
3136         for C++2a.
3137         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
3138         * testsuite/20_util/type_identity/requirements/
3139         explicit_instantiation.cc:New.
3140         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
3141
3142         * include/bits/regex.h (sub_match::operator string_type): Call str().
3143         (sub_match::compare): Use _M_str() instead of str().
3144         (sub_match::_M_compare): New public function.
3145         (sub_match::__string_view): New helper type.
3146         (sub_match::_M_str): New overloaded functions to avoid creating a
3147         string_type object when not needed.
3148         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
3149         Use sub_match::_M_compare instead of creating string_type objects.
3150         Fix Doxygen comments.
3151         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
3152         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
3153         simplify.
3154         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
3155         __enable_if_t.
3156         * include/std/type_traits (__enable_if_t): Define for C++11.
3157         * testsuite/28_regex/sub_match/compare.cc: New.
3158         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
3159         trait.
3160         (input_iterator_wrapper): Use remove_cv for value_type argument of
3161         std::iterator base class.
3162
3163 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
3164
3165         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
3166         Add whitespace to dejagnu directive.
3167         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
3168
3169 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
3170
3171         * include/bits/stl_vector.h
3172         (struct _Vector_base<>::_Vector_impl_data): New.
3173         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
3174         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
3175         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
3176         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
3177         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
3178         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
3179         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
3180         (_Vector_base()): Default.
3181         (_Vector_base(_Vector_base&&)): Default.
3182         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
3183         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
3184         (_Vector_base::_M_create_storage(size_t)): Make protected.
3185         (vector()): Default.
3186         (vector(vector&&)): Default.
3187         (vector(vector&&, const allocator_type&, true_type)): New.
3188         (vector(vector&&, const allocator_type&, false_type)): New.
3189         (vector(vector&&, const allocator_type&)): Use latters.
3190         (vector(_InputIte, _InputIte, const allocator_type&)): Call
3191         _M_range_initialize directly.
3192         * include/debug/vector
3193         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
3194         * testsuite/23_containers/vector/allocator/default_init.cc: New.
3195         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
3196         static assertions.
3197
3198 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
3199
3200         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
3201         (__is_byte<byte>): Define specialization for std::byte.
3202
3203         PR libstdc++/86138
3204         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
3205         Declare explicit instantiations of COW empty reps and I/O functions.
3206
3207 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
3208
3209         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
3210         directives.
3211         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3212
3213 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
3214
3215         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
3216         noexcept.
3217
3218 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
3219
3220         PR libstdc++/86112
3221         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3222         Replace dict comprehension.
3223
3224         PR libstdc++/81092
3225         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3226
3227         PR libstdc++/86292
3228         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
3229         Add try-catch block.
3230         * testsuite/23_containers/vector/cons/86292.cc: New.
3231
3232         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
3233
3234         * include/experimental/algorithm (sample, shuffle): Add new overloads
3235         using per-thread random number engine.
3236         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
3237         dependencies by using __gnu_test::test_container.
3238         * testsuite/experimental/algorithm/sample-2.cc: New.
3239         * testsuite/experimental/algorithm/shuffle.cc: New.
3240
3241 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
3242
3243         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
3244         different size_t mangling on 32-bit targets.
3245
3246         PR libstdc++/86280
3247         * include/experimental/memory_resource
3248         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
3249         enough for result of left shift.
3250
3251         PR libstdc++/86138
3252         * include/bits/basic_string.tcc:
3253         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
3254         (basic_string<char>::_Rep::_S_empty_rep_storage)
3255         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
3256         instantiation declarations.
3257         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
3258         explicit instantiation declarations.
3259         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
3260         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
3261
3262 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
3263
3264         PR libstdc++/83328
3265         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
3266         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
3267         * configure: Regenerate.
3268         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3269         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
3270         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3271         (basic_string::insert(iterator, initializer_list<C>)): Suppress
3272         definition.
3273         * include/debug/string (basic_string::insert(iterator, C)): Change
3274         first parameter to const_iterator.
3275         (basic_string::insert(iterator, size_type, C)): Likewise. Change
3276         return type to iterator.
3277         (basic_string::insert(iterator, InputIterator, InputIterator)):
3278         Likewise.
3279         (basic_string::insert(iterator, initializer_list<C>)): Change first
3280         parameter to const_iterator and return type to iterator.
3281         * src/c++11/string-inst.cc: Extend comment.
3282         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
3283         New.
3284         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
3285         New.
3286         * testsuite/util/testsuite_abi.cc: Add new symbol version.
3287
3288         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3289
3290         PR libstdc++/70940
3291         * include/experimental/memory_resource
3292         (__resource_adaptor_imp::do_deallocate): Add missing return.
3293         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
3294         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3295         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
3296         __gnu_cxx::malloc_allocator.
3297
3298         PR libstdc++/70940
3299         * include/experimental/memory_resource (__resource_adaptor_common):
3300         New base class.
3301         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
3302         pointer from unaligned, and vice versa.
3303         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
3304         allocated pointer to meet alignment request.
3305         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
3306         original pointer for deallocation.
3307         (__resource_adaptor_imp::do_is_equal): Reformat.
3308         (__resource_adaptor_imp::_S_aligned_size): Remove.
3309         (__resource_adaptor_imp::_S_supported): Remove.
3310         (new_delete_resource): Use __gnu_cxx::new_allocator.
3311         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3312         extended alignments and use debug_allocator to check for matching
3313         allocate/deallocate pairs.
3314
3315 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
3316
3317         * include/debug/safe_iterator.h
3318         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
3319         Compare __x base iterator with a value-initialized iterator of the
3320         same type.
3321
3322 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
3323
3324         PR libstdc++/70966
3325         * include/experimental/memory_resource (__resource_adaptor_imp): Add
3326         static assertions to enforce requirements on pointer types.
3327         (__resource_adaptor_imp::get_allocator()): Add noexcept.
3328         (new_delete_resource, null_memory_resource): Return address of an
3329         object with dynamic storage duration.
3330         (__null_memory_resource): Remove.
3331         * testsuite/experimental/memory_resource/70966.cc: New.
3332
3333         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
3334         missed from recent commit.
3335
3336 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
3337
3338         * include/std/utility: Remove unused <exception> header.
3339
3340 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3341
3342         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
3343         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
3344         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
3345         a specialization of std::pair.
3346         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
3347         pair elements are constructed correctly.
3348
3349         LWG 2989 hide path iostream operators from normal lookup
3350         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
3351         friends.
3352         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
3353
3354         LWG 3050 Fix cv-qualification of convertibility constraints
3355         * include/std/chrono (duration, operator*, operator/, operator%): Use
3356         const-qualified type as source type in is_convertible constraints.
3357         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
3358         * testsuite/20_util/duration/cons/dr3050.cc: New.
3359         * testsuite/20_util/duration/literals/range.cc: Rename to...
3360         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
3361         dg-error lineno.
3362
3363 2018-06-18  Maya Rashish  <coypu@sdf.org>
3364
3365         * crossconfig.m4: Handle OpenBSD just like NetBSD.
3366         * configure: Rebuilt.
3367
3368 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3369
3370         P0754R2 <version> header
3371         * include/Makefile.am: Add new header.
3372         * include/Makefile.in: Regenerate.
3373         * include/bits/c++config: Change doxygen comment to suggest <version>
3374         instead of <iosfwd>.
3375         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
3376         unconditionally.  Add C++17 and C++20 headers.
3377         * include/std/version: New header.
3378         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
3379         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
3380         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
3381         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
3382         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
3383         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
3384         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
3385         New.
3386         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
3387         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
3388         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
3389         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
3390         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
3391         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
3392         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
3393         New.
3394         * testsuite/18_support/headers/version/macros.cc: New.
3395         * testsuite/18_support/headers/version/macros.cc: New.
3396
3397         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
3398         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
3399         symlink.
3400         * config.h.in: Regenerate.
3401         * configure: Regenerate.
3402         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
3403
3404         LWG 3035. std::allocator's constructors should be constexpr
3405         * include/bits/allocator.h (allocator): Add constexpr to constructors
3406         for C++2a. Replace dynamic exception specifications with NOTHROW
3407         macro.
3408         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
3409         NOTHROW.
3410         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
3411         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
3412         to constructors for C++2a.
3413         * include/ext/new_allocator.h (new_allocator): Likewise.
3414
3415 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
3416
3417         LWG 3076 basic_string CTAD ambiguity
3418         * doc/xml/manual/intro.xml: Document LWG 3076 change.
3419         * include/bits/basic_string.h
3420         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3421         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
3422         template constrained by _RequireAllocator.
3423         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
3424         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
3425         Define.
3426         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
3427         deduction
3428         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3429         Likewise.
3430
3431 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
3432
3433         PR libstdc++/86169
3434         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3435         (basic_string::data()): Unshare string.
3436         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
3437         New.
3438
3439         * include/std/string_view (basic_string_view(const CharT*)): Remove
3440         check for null pointer and add nonnull attribute.
3441         (compare(const CharT*), compare(size_type, size_type, const CharT*))
3442         (find(const CharT*, size_type), rfind(const CharT*, size_type))
3443         (find_first_of(const CharT*, size_type))
3444         (find_last_of(const CharT*, size_type))
3445         (find_first_not_of(const CharT*, size_type))
3446         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
3447         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
3448         * testsuite/21_strings/basic_string_view/operations/compare/char/
3449         nonnull.cc: New.
3450         * testsuite/21_strings/basic_string_view/operations/find/char/
3451         nonnull.cc: New.
3452         * testsuite/21_strings/basic_string_view/operations/rfind/char/
3453         nonnull.cc: New.
3454
3455         PR libstdc++/86168
3456         * include/bits/random.h (random_device(const string&)): Remove
3457         default argument.
3458
3459         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
3460         define for C++17 and above.
3461
3462         LWG 2993 reference_wrapper<T> conversion from T&&
3463         * doc/xml/manual/intro.xml: Document LWG 2993 change.
3464         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
3465         (reference_wrapper(_Tp&&)): Remove.
3466         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
3467         template.
3468         (reference_wrapper): Add deduction guide.
3469         * testsuite/20_util/reference_wrapper/deduction.cc: New.
3470         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
3471
3472         LWG 3039 Unnecessary decay in thread and packaged_task
3473         * include/std/future (__constrain_pkgdtask): Replace with ...
3474         (packaged_task::__not_same): New alias template, using
3475         __remove_cvref_t instead of decay.
3476         * include/std/thread (thread::__not_same): Add comment.
3477
3478 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
3479
3480         LWG 3075 basic_string needs deduction guides from basic_string_view
3481         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
3482         deduction from string views.
3483         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3484         Likewise.
3485
3486         LWG 3074 make scalar types non-deduced in valarray non-member functions
3487         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
3488         scalar parameters to be a non-deduced context.
3489         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
3490         whitespace.
3491         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
3492         * testsuite/26_numerics/valarray/transcend.cc: New.
3493
3494         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
3495         Move back to <utility>.
3496         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
3497         Restore to here.
3498
3499         P0935R0 Eradicating unnecessarily explicit default constructors
3500         * include/backward/strstream (strstreambuf): Add non-explicit default
3501         constructor.
3502         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
3503         Likewise.
3504         * include/bits/regex.h (match_results): Likewise.
3505         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
3506         default constructor.
3507         * testsuite/22_locale/conversions/string/1.cc: Likewise.
3508         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
3509         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
3510
3511         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
3512         macro from <utility> and change type to long.
3513         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
3514         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
3515         macro.
3516
3517         P0935R0 Eradicating unnecessarily explicit default constructors
3518         * include/bits/random.h (uniform_real_distribution::param_type)
3519         (normal_distribution::param_type, lognormal_distribution::param_type)
3520         (gamma_distribution::param_type, chi_squared_distribution::param_type)
3521         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
3522         (student_t_distribution::param_type)
3523         (bernoulli_distribution::param_type)
3524         (binomial_distribution::param_type)
3525         (geometric_distribution::param_type)
3526         (negative_binomial_distribution::param_type)
3527         (poisson_distribution::param_type)
3528         (exponential_distribution::param_type)
3529         (weibull_distribution::param_type)
3530         (extreme_value_distribution::param_type): Add non-explicit default
3531         constructors. Remove default argument for first parameter of explicit
3532         constructors.
3533         * include/bits/uniform_int_dist.h
3534         (uniform_int_distribution::param_type): Likewise.
3535         * include/ext/random
3536         (beta_distribution::param_type, rice_distribution::param_type)
3537         (nakagami_distribution::param_type, pareto_distribution::param_type)
3538         (k_distribution::param_type, arcsine_distribution::param_type)
3539         (hoyt_distribution::param_type, triangular_distribution::param_type)
3540         (von_mises_distribution::param_type)
3541         (hypergeometric_distribution::param_type)
3542         (logistic_distribution::param_type)
3543         (uniform_inside_sphere_distribution::param_type): Likewise.
3544         (uniform_on_sphere_distribution::param_type): Make default constructor
3545         non-explicit.
3546         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
3547         Test param_type for non-explicit default constructor.
3548         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
3549         Likewise.
3550         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
3551         Likewise.
3552         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
3553         Likewise.
3554         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
3555         Likewise.
3556         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
3557         Likewise.
3558         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
3559         Likewise.
3560         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
3561         Likewise.
3562         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
3563         Likewise.
3564         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
3565         Likewise.
3566         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
3567         Likewise.
3568         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
3569         Likewise.
3570         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
3571         Likewise.
3572         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
3573         Likewise.
3574         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
3575         Likewise.
3576         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
3577         Likewise.
3578         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
3579         Likewise.
3580         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
3581         Likewise.
3582         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
3583         Likewise.
3584         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
3585         Likewise.
3586         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
3587         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
3588         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
3589         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
3590         Likewise.
3591         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
3592         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
3593         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
3594         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
3595         Likewise.
3596         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
3597         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
3598         * testsuite/ext/random/triangular_distribution/cons/default.cc:
3599         Likewise.
3600         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
3601         Likewise.
3602         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
3603         Likewise.
3604         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
3605         Likewise.
3606
3607 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
3608             Jonathan Wakely  <jwakely@redhat.com>
3609
3610         PR libstdc++/83982
3611         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
3612         Default-construct new elements before moving existing ones.
3613         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
3614         New.
3615
3616 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
3617
3618         PR libstdc++/86127
3619         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
3620         unused typedef.
3621         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
3622         Use node allocator to create and destroy elements.
3623         (forward_list::_Tp_alloc_type): Remove unused typedef.
3624         (forward_list::_Alloc_traits): Use allocator_traits instead of
3625         __gnu_cxx::__alloc_traits.
3626
3627 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
3628
3629         * include/debug/helper_functions.h
3630         (__gnu_debug::_Safe_iterator<>): Add declaration.
3631         (__can_advance(_Ite, _Size)): New.
3632         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
3633         * include/debug/functions.h
3634         (__gnu_debug::_Safe_iterator<>): Remove declaration.
3635         * include/debug/stl_iterator.h
3636         (__can_advance(const _Safe_iterator<>&)): New definition.
3637         * include/debug/stl_iterator.h
3638         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
3639         (__can_advance(const std::move_iterator<>&, _Size)): New.
3640         * include/debug/macros.h (__glibcxx_check_can_increment): New.
3641         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
3642         * include/bits/stl_algobase.h (fill_n): Use latter.
3643         * testsuite/25_algorithms/fill_n/2.cc: New.
3644         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
3645         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
3646         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
3647         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
3648
3649         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
3650         (__glibcxx_requires_can_decrement_range): New.
3651
3652 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
3653
3654         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
3655         (__glibcxx_check_can_decrement_range): New.
3656         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
3657         __glibcxx_requires_can_increment_range.
3658         (std::move(_II, _II, _OI)): Likewise.
3659         (std::copy_backward(_BI, _BI, _BI2)): Use
3660         __glibcxx_requires_can_decrement_range.
3661         (std::move_backward(_BI, _BI, _BI2)): Likewise.
3662         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
3663         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
3664         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
3665         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
3666         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
3667         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
3668
3669 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
3670
3671         P0935R0 Eradicating unnecessarily explicit default constructors
3672         * include/bits/random.h (linear_congruential_engine)
3673         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
3674         (uniform_real_distribution, normal_distribution)
3675         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
3676         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
3677         (bernoulli_distribution, binomial_distribution,geometric_distribution)
3678         (negative_binomial_distribution, exponential_distribution)
3679         (weibull_distribution, extreme_value_distribution): Add non-explicit
3680         default constructors. Remove default argument for first parameter of
3681         explicit constructors.
3682         (piecewise_constant_distribution, piecewise_linear_distribution):
3683         Make default constructor non-explicit.
3684         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
3685         non-explicit default constructors. Remove default argument for first
3686         parameter of explicit constructor.
3687         * include/ext/random
3688         (simd_fast_mersenne_twister_engine, beta_distribution)
3689         (rice_distribution, nakagami_distribution, pareto_distribution)
3690         (k_distribution, arcsine_distribution, hoyt_distribution)
3691         (triangular_distribution, von_mises_distribution)
3692         (hypergeometric_distribution, logistic_distribution)
3693         (uniform_inside_sphere_distribution): Likewise.
3694         (uniform_on_sphere_distribution): Make default constructor
3695         non-explicit.
3696         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
3697         Test for non-explicit default constructor. Fix references to standard.
3698         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
3699         Likewise.
3700         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
3701         Likewise.
3702         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
3703         Likewise.
3704         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
3705         Likewise.
3706         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
3707         Likewise.
3708         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
3709         Likewise.
3710         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
3711         Likewise.
3712         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
3713         Likewise.
3714         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
3715         Likewise.
3716         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
3717         Likewise.
3718         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
3719         Likewise.
3720         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
3721         Likewise.
3722         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
3723         Likewise.
3724         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
3725         Likewise.
3726         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
3727         Likewise.
3728         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
3729         Likewise.
3730         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
3731         Likewise.
3732         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
3733         Likewise.
3734         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
3735         Likewise.
3736         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
3737         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
3738         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
3739         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
3740         Likewise.
3741         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
3742         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
3743         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
3744         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
3745         Likewise.
3746         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
3747         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
3748         * testsuite/ext/random/triangular_distribution/cons/default.cc:
3749         Likewise.
3750         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
3751         Likewise.
3752         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
3753         Likewise.
3754         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
3755         Likewise.
3756         * testsuite/util/testsuite_common_types.h
3757         (implicitly_default_constructible): New helper.
3758
3759 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
3760
3761         * include/bits/ios_base.h (ios::Init::Init(const Init&))
3762         (ios::Init::operator=): Define as defaulted.
3763         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
3764         Likewise.
3765         * include/bits/stream_iterator.h (istream_iterator::operator=)
3766         (ostream_iterator::operator=): Likewise.
3767         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
3768         Likewise.
3769         * include/std/bitset (bitset::reference::reference(const reference&)):
3770         Likewise.
3771         * include/std/complex (complex<float>::complex(const complex&))
3772         (complex<double>::complex(const complex&))
3773         (complex<long double>::complex(const complex&)): Likewise.
3774
3775 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
3776
3777         * include/bits/regex.h (sub_match): Add noexcept to default
3778         constructor and length observer.
3779         (match_results): Add noexcept to default constructor and observers
3780         with no preconditions. Define destructor as defaulted.
3781         (operator==, operator!=, swap): Add noexcept.
3782         (regex_iterator): Add default member initializers and define default
3783         constructor and destructor as defaulted. Add noexcept to equality
3784         and dereference operators.
3785
3786 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
3787
3788         * src/c++11/debug.cc
3789         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
3790         (_Safe_iterator_base::_M_detach_single()): Likewise.
3791         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
3792         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
3793
3794 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
3795
3796         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
3797         move of const value.
3798
3799 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
3800
3801         PR c++/86068
3802         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
3803         rather than __cpp_transactional_memory >= 201505L.
3804
3805 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
3806
3807         PR libstdc++/86008
3808         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
3809         Define new partial specialization.
3810         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
3811         new overload.
3812         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
3813         value not reference for iteration.
3814         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
3815         comment.
3816         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
3817         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
3818         comment.
3819
3820 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
3821
3822         * include/std/type_traits: Fix comment typos.
3823
3824         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
3825         mingw* targets.
3826         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3827         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3828         Likewise.
3829
3830 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
3831
3832         * include/bits/stl_tempbuf.h
3833         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
3834         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
3835         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
3836         * include/bits/stl_algo.h (__stable_partition): Adapt.
3837         (__inplace_merge): Adapt.
3838         (__stable_sort): Adapt.
3839
3840 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
3841
3842         PR libstdc++/85930
3843         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
3844         unconditionally. Remove redundant declaration.
3845         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
3846         alignment-specifier.
3847
3848         * include/bits/postypes.h (fpos): Define special members as defaulted.
3849
3850         PR libstdc++/85930
3851         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
3852         the static variable correctly.
3853
3854 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3855
3856         PR libstdc++/78870 support std::filesystem on Windows
3857         * config.h.in: Regenerate.
3858         * configure: Regenerate.
3859         * configure.ac: Check for link, readlink and symlink.
3860         * include/bits/fs_path.h (path::operator/=(const path&)): Move
3861         definition out of class body.
3862         (path::is_absolute(), path::_M_append(path)): Likewise.
3863         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
3864         (operator>>(basic_istream, path&)): Likewise.
3865         (u8path): Reorder definitions and fix Windows implementation.
3866         (path::is_absolute()): Define inline and fix for Windows.
3867         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3868         Define POSIX version inline.
3869         (path::_M_append(path)): Define inline.
3870         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
3871         definition out of class body.
3872         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
3873         escape characters.
3874         (operator>>(basic_istream, path&)): Likewise.
3875         (path::is_absolute()): Define inline and fix for Windows.
3876         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
3877         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
3878         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
3879         Define as adaptors for Windows functions/types or as
3880         using-declarations for POSIX functions/types.
3881         (_Dir_base, get_file_type): Qualify names to use declarations from
3882         __gnu_posix namespace.
3883         (_Dir_base::is_dor_or_dotdot): New helper functions.
3884         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
3885         names to use declarations from __gnu_posix namespace.
3886         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
3887         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
3888         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
3889         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
3890         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
3891         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
3892         Define as adaptors for Windows functions/types or as
3893         using-declarations for POSIX functions/types.
3894         (stat_type, do_copy_file): Qualify names to use declarations from
3895         __gnu_posix namespace.
3896         (do_space): Declare new function.
3897         (make_file_type): Only use S_ISLNK if defined.
3898         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
3899         path::value_type not char.
3900         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3901         names to use declarations from __gnu_posix namespace.
3902         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3903         add implementation for Windows.
3904         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3905         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3906         [!_PC_PATH_MAX]: Don't use pathconf.
3907         [PATH_MAX]: Use if defined.
3908         (filesystem::current_path(const path&, error_code&))
3909         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3910         (filesystem::last_write_time, filesystem::permissions): Use names
3911         from __gnu_posix.
3912         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3913         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3914         implementation for Windows.
3915         (filesystem::rename, filesystem::resize_file): Use names from
3916         __gnu_posix.
3917         (filesystem::space): Use do_space.
3918         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
3919         (filesystem::status, filesystem::symlink_status): Use names from
3920         __gnu_posix.
3921         (filesystem::temp_directory_path): Add implementation for Windows.
3922         * src/filesystem/path.cc (dot): Define constant.
3923         (path::replace_extension): Use dot.
3924         (path::_M_find_extension): Likewise. Use path::string_type not
3925         std::string.
3926         (path::_M_split_cmpts): Use dot.
3927         (filesystem_error::_M_get_what): Use u8string() not native().
3928         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
3929         Qualify names to use declarations from __gnu_posix namespace.
3930         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
3931         correct error_code.
3932         (filesystem::absolute(const path&, error_code&)): Add implementation
3933         for Windows.
3934         (char_ptr, filesystem::canonical): Use path::value_type not char.
3935         (do_copy_file): Use names from __gnu_posix.
3936         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
3937         sendfile.
3938         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3939         names to use declarations from __gnu_posix namespace.
3940         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3941         add implementation for Windows.
3942         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3943         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3944         [!_PC_PATH_MAX]: Don't use pathconf.
3945         [PATH_MAX]: Use if defined.
3946         (filesystem::current_path(const path&, error_code&))
3947         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3948         (filesystem::last_write_time, filesystem::permissions): Use names
3949         from __gnu_posix.
3950         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3951         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3952         implementation for Windows.
3953         (filesystem::rename, filesystem::resize_file): Use names from
3954         __gnu_posix.
3955         (do_space): Define.
3956         (filesystem::space): Use do_space.
3957         (filesystem::status, filesystem::symlink_status): Use names from
3958         __gnu_posix.
3959         (filesystem::temp_directory_path): Add implementation for Windows.
3960         * src/filesystem/std-path.cc
3961         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3962         Define for Windows.
3963         (dot): Define constant.
3964         (path::replace_extension, is_dot): Use dot.
3965         (path::lexically_normal): Check _M_type instead of calling
3966         non-existent function.
3967         (path::_M_find_extension): Use dot. Use path::string_type not
3968         std::string.
3969         (path::_M_split_cmpts): Use dot.
3970         (filesystem_error::_M_get_what): Use u8string() not native().
3971         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
3972         use symlinks.
3973         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3974         Likewise.
3975         * testsuite/27_io/filesystem/operations/absolute.cc: Use
3976         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
3977         * testsuite/27_io/filesystem/operations/canonical.cc: Use
3978         path::string() to get narrow string, not path::native().
3979         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
3980         with std::filesystem::path not std::basic_string.
3981         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3982         * testsuite/27_io/filesystem/operations/exists.cc: Use
3983         __gnu_test::root_path() instead of "/".
3984         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
3985         fstreams with std::filesystem::path not std::basic_string.
3986         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
3987         path::string() to get narrow string.
3988         * testsuite/27_io/filesystem/operations/space.cc: Check results for
3989         errors, expect sensible values otherwise.
3990         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
3991         helpers for adjusting the environment on Windows.
3992         * testsuite/27_io/filesystem/path/append/path.cc: Test
3993         Windows-specific behaviour.
3994         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
3995         of path::string_type objects.
3996         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
3997         string to wide string on Windows.
3998         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
3999         for backslash as root-directory.
4000         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
4001         path::string() to get narrow string.
4002         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
4003         paths.
4004         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
4005         not std::string.
4006         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
4007         different definintion of absolute paths on Windows.
4008         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4009         Do not use symlinks.
4010         * testsuite/experimental/filesystem/operations/absolute.cc: Test
4011         Windows behaviour.
4012         * testsuite/experimental/filesystem/operations/copy.cc: Construct
4013         fstreams with NTCTS not std::basic_string.
4014         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4015         * testsuite/experimental/filesystem/operations/exists.cc: Use
4016         __gnu_test::root_path() instead of "/".
4017         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
4018         fstreams with NTCTS not std::basic_string.
4019         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4020         Use path::string() to get narrow string.
4021         * testsuite/experimental/filesystem/operations/space.cc: Use
4022         __gnu_test::root_path() instead of "/".
4023         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4024         Add helpers for adjusting the environment on Windows.
4025         * testsuite/experimental/filesystem/path/append/path.cc: Use
4026         path::string() to get narrow strings for comparisons.
4027         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4028         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4029         Likewise.
4030         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4031         * testsuite/experimental/filesystem/path/native/string.cc: Use
4032         string_type not std::string.
4033         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
4034         Adjust for different definintion of absolute paths on Windows.
4035         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
4036         function.
4037         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
4038         std::basic_string.
4039
4040 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
4041
4042         PR libstdc++/85951
4043         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
4044         uint_least16_t and uint_least32_t.
4045         (__make_unsigned<wchar_t>): Define unconditionally.
4046         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
4047         typedefs.
4048         (__make_unsigned_selector_base): New type to provide helper templates.
4049         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
4050         __make_unsigned_selector_base helpers.
4051         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
4052         (__make_signed_selector<_Tp, true, false>): Remove intermediate
4053         typedefs.
4054         (__make_signed<wchar_t>, __make_signed<char16_t>)
4055         (__make_signed<char32_t>)): Define unconditionally.
4056         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
4057         wchar_t, char16_t and char32_t are transformed correctly.
4058         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
4059         dg-error lineno.
4060         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
4061         wchar_t, char16_t and char32_t are transformed correctly.
4062         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
4063         dg-error lineno.
4064
4065 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
4066
4067         * include/std/variant (__erased_dtor): Qualify call to __get.
4068
4069 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
4070
4071         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
4072         (_Rb_tree(const allocator_type&)): Use latter.
4073         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
4074         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
4075         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4076         * include/bits/stl_multimap.h
4077         (multimap(const allocator_type&)): Likewise.
4078         (multimap(initializer_list<value_type>, const allocator_type&)):
4079         Likewise.
4080         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
4081         Likewise.
4082         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
4083         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
4084         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4085         * include/bits/stl_multiset.h
4086         (multiset(const allocator_type&)): Likewise.
4087         (multiset(initializer_list<value_type>, const allocator_type&)):
4088         Likewise.
4089         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
4090         Likewise.
4091
4092 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
4093
4094         PR libstdc++/85768
4095         * src/c++11/debug.cc: Remove backtrace usage.
4096
4097 2018-05-24  Maya Rashish  <coypu@sdf.org>
4098
4099         PR target/85904
4100         * crossconfig.m4: Test for aligned_alloc on netbsd.
4101         * configure: Regenerate.
4102
4103 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4104
4105         PR libstdc++/69769
4106         PR libstdc++/85886
4107         * include/bits/atomic_base.h (__atomic_base::value_type)
4108         (__atomic_base::difference_type): Add new typedefs.
4109         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
4110         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
4111         (atomic<T*>::operator++, atomic<T*>::operator--)
4112         (atomic<T*>::operator+=, atomic<T*>::operator-=)
4113         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
4114         to enforce C++17 requirement on pointer arithmetic.
4115         (__atomic_val_t, __atomic_diff_t): New alias templates.
4116         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
4117         (atomic_compare_exchange_weak_explicit)
4118         (atomic_compare_exchange_strong_explicit, atomic_store)
4119         (atomic_exchange, atomic_compare_exchange_weak)
4120         (atomic_compare_exchange_strong): Use __atomic_val_t to make
4121         scalar parameters be non-deduced contexts.
4122         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4123         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
4124         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
4125         parameters.
4126         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
4127         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
4128         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
4129         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4130         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
4131         address types.
4132         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
4133         * testsuite/29_atomics/atomic/69769.cc: New test.
4134         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
4135         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
4136         Disable test for C++17 and later.
4137         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
4138         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
4139         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
4140         test.
4141
4142 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
4143
4144         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
4145         template to alias template.
4146         (path::__value_type_is_char): Use remove_const_t.
4147         (path:_S_string_from_iter): New helper function.
4148         (path::_S_convert(InputIter, __null_terminated))
4149         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4150         Use _S_string_from_iter.
4151         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
4152         rep for COW strings.
4153         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4154         Change from class template to alias template.
4155         (path::__value_type_is_char): Use remove_const.
4156         (path:_S_string_from_iter): New helper function.
4157         (path::_S_convert(InputIter, __null_terminated))
4158         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4159         Use _S_string_from_iter.
4160         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
4161         wide strings.
4162         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
4163         string equality, not path equivalence.
4164         * testsuite/27_io/filesystem/path/construct/format.cc: Check
4165         construction from std::string and std::wstring and input iterators.
4166         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
4167         construction from iterators.
4168         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
4169         exact string equality, not path equivalence.
4170         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
4171         construction from iterators.
4172
4173         * include/bits/fs_path.h (path::_M_type): Change default member
4174         initializer to _Filename.
4175         (path::begin): Create past-the-end iterator for empty path.
4176         * src/filesystem/std-path.cc (path::remove_filename()): Remove
4177         debugging check.
4178         (path::has_relative_path()): Return false for empty filenames.
4179         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
4180         Fix offset of empty final component.
4181         * testsuite/27_io/filesystem/path/itr/components.cc: New.
4182         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
4183
4184 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4185
4186         Add support for opening file streams from wide character strings.
4187         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
4188         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4189         Define new overload.
4190         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
4191         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4192         Declare new overload.
4193         * configure.ac: Check for _wfopen.
4194         * crossconfig.m4: Likewise.
4195         * configure: Regenerate.
4196         * config.h.in: Regenerate.
4197         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
4198         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4199         Define new overload.
4200         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
4201         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4202         Declare new overload.
4203         [_GLIBCXX_HAVE__WFOPEN]
4204         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4205         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
4206         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4207         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
4208         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4209         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
4210         new overloads.
4211         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
4212         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
4213         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
4214         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
4215         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
4216         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
4217         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
4218
4219 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
4220
4221         PR libstdc++/85845
4222         * include/bits/stl_tree.h
4223         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
4224         qualification.
4225
4226 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4227
4228         * src/filesystem/std-ops.cc (absolute): Report an error for empty
4229         paths.
4230         (weakly_canonical(const path&)): Do not call canonical on empty path.
4231         (weakly_canonical(const path&, error_code&)): Likewise.
4232         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
4233
4234         PR libstdc++/85818
4235         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
4236         dg-require-filesystem-ts.
4237
4238         PR libstdc++/85843
4239         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
4240         initialize base class to avoid warnings.
4241
4242 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
4243
4244         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
4245         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
4246         little_endian element in bitmask.
4247         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
4248         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
4249
4250 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
4251
4252         * include/bits/stl_tree.h
4253         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
4254         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
4255         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
4256         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
4257         * include/debug/map.h
4258         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
4259         * include/debug/multimap.h
4260         (multimap(multimap&&, const_allocator_type&)): Likewise.
4261         * include/debug/set.h
4262         (set(set&&, const_allocator_type&)): Likewise.
4263         * include/debug/multiset.h
4264         (multiset(multiset&&, const_allocator_type&)): Likewise.
4265         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
4266         Add checks.
4267         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
4268         Add checks.
4269         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
4270         Add checks.
4271         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
4272         Add checks.
4273         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
4274         Add checks.
4275         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
4276         Add checks.
4277         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
4278         Add checks.
4279         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
4280         Add checks.
4281
4282 2018-05-18  Jason Merrill  <jason@redhat.com>
4283
4284         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
4285         for conversion to const_iterator.  Add defaulted copy ops.
4286         * libsupc++/new (bad_alloc): Add defaulted copy ops.
4287         * libsupc++/exception.h (exception): Add defaulted copy ops.
4288         * include/std/system_error (system_error): Add defaulted copy ops.
4289         * include/std/stdexcept (domain_error, invalid_argument)
4290         (length_error, out_of_range, range_error, overflow_error)
4291         (underflow_error): Add defaulted copy ops.
4292         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
4293         copy assignment.
4294         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
4295         * include/ext/throw_allocator.h (condition_base): Add defaulted
4296         default and copy ctor and copy assignment.
4297
4298 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
4299
4300         PR libstdc++/85098
4301         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
4302         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
4303         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
4304         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
4305         definitions.
4306         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
4307         whitespace.
4308         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
4309         braces around body of do-while.
4310         * testsuite/28_regex/basic_regex/85098.cc: New
4311
4312 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
4313
4314         PR libstdc++/85818
4315         * src/filesystem/path.cc (path::preferred_separator): Add used
4316         attribute.
4317         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
4318
4319         PR libstdc++/85812
4320         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
4321         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
4322         Refactor to separate non-throwing and throwing implementations.
4323         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
4324         if constructing the object throws.
4325
4326 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
4327
4328         PR libstdc++/85749
4329         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
4330         (linear_congruential_engine, mersenne_twister_engine)
4331         (subtract_with_carry_engine, discard_block_engine)
4332         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
4333         constrain function templates taking seed sequences.
4334         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
4335         (mersenne_twister_engine::seed(_Sseq&))
4336         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
4337         match declarations.
4338         * include/ext/random (simd_fast_mersenne_twister_engine): Use
4339         __is_seed_seq to constrain function templates taking seed sequences.
4340         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
4341         Change return type to match declaration.
4342         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
4343         New.
4344         * testsuite/26_numerics/random/independent_bits_engine/cons/
4345         seed_seq2.cc: New.
4346         * testsuite/26_numerics/random/linear_congruential_engine/cons/
4347         seed_seq2.cc: New.
4348         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
4349         seed_seq2.cc: New.
4350         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
4351         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
4352         New.
4353         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
4354         seed_seq2.cc: New.
4355         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
4356         seed_seq2.cc: New.
4357
4358         PR libstdc++/83891
4359         * include/bits/fs_path.h (path::is_absolute()): Use same definition
4360         for all operating systems.
4361         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
4362         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
4363         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
4364         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
4365
4366         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
4367         unused <vector> header.
4368         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4369         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4370         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4371         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4372         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
4373         Likewise.
4374         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4375         Likewise.
4376         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4377         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4378         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4379         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4380         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4381         Likewise.
4382         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4383         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4384         Likewise.
4385         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4386         Likewise.
4387         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4388         Likewise.
4389         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4390         Likewise.
4391         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4392         Likewise.
4393         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4394         Likewise.
4395         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4396         Likewise.
4397         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4398         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4399         Likewise.
4400
4401         PR libstdc++/84159
4402         * include/bits/fs_path.h (path::operator/=, path::append): Construct
4403         temporary path before calling _M_append.
4404         (path::_M_append): Change parameter to path and implement C++17
4405         semantics.
4406         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
4407         and more examples from the standard.
4408         * testsuite/27_io/filesystem/path/append/source.cc: New.
4409         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
4410         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
4411
4412         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
4413         __invoke to prevent ADL.
4414
4415 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
4416
4417         PR libstdc++/81256
4418         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
4419         exceptions from _M_terminate_output().
4420         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
4421         exceptions from close().
4422         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
4423
4424         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
4425         (__valarray_get_storage): Call operator new directly. Remove ignored
4426         top-level restrict qualifier and add malloc attribute instead.
4427         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
4428
4429         PR libstdc++/67554
4430         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
4431         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
4432
4433         PR libstdc++/82966
4434         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
4435         instead of type.
4436         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
4437
4438 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
4439
4440         PR libstdc++/80165
4441         * testsuite/20_util/variant/80165.cc: New.
4442
4443 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
4444
4445         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
4446         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
4447         of C++11 containers with Debug Mode support.
4448         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
4449         * doc/html/*: Regenerate.
4450
4451 2018-05-10  Jason Merrill  <jason@redhat.com>
4452
4453         * include/bits/regex_compiler.h (_S_cache_size): Change from
4454         function to variable.
4455
4456 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
4457
4458         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
4459         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
4460         argument defaulted to +1.  Doxy comments on same.
4461         * testsuite/special_functions/02_assoc_legendre/
4462         check_value.cc: Regen.
4463         * testsuite/tr1/5_numerical_facilities/special_functions/
4464         02_assoc_legendre/check_value.cc: Regen.
4465
4466 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
4467
4468         PR libstdc++/85729
4469         * include/bits/c++config.h (__replacement_assert): Add linkage
4470         specification.
4471         * include/bits/std_abs.h: Add comment to closing brace of block.
4472         * include/c_global/cstddef: Add linkage specification.
4473         * include/c_global/cstring: Likewise.
4474         * include/c_global/cwchar: Likewise.
4475
4476 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
4477
4478         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
4479         Rename in...
4480         (_Safe_iterator<>::_S_constant()): ...that.
4481         * include/debug/safe_local_iterator.h
4482         (_Safe_local_iterator<>::_M_constant()): Rename in...
4483         (_Safe_local_iterator<>::_S_constant()): ...that.
4484         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
4485         (_Iterator_state::__rbegin): New.
4486         (_Iterator_state::__rmiddle): New.
4487         (_Iterator_state::__rend): New.
4488         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
4489         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
4490         iterator type.
4491         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
4492         _Is_iterator)): Likewise.
4493         (_Parameter::_S_reverse_state(_Iterator_state)): New.
4494         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
4495         _Is_iterator)): New.
4496         (_Parameter(std::reverse_iterator<> const&, const char*,
4497         _Is_iterator)): New.
4498         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
4499         const char*, _Is_iterator)): New.
4500         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
4501         New.
4502         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
4503         _Is_iterator)): New.
4504         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
4505         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
4506         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
4507
4508 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
4509
4510         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
4511         Use constexpr if in C++17 mode.
4512         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
4513         Copy from const object.
4514         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
4515
4516 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
4517
4518         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
4519         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
4520         backtrace.
4521
4522         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
4523         * include/debug/functions.h (__check_valid_range): Use latter.
4524         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
4525         use latter.
4526         * include/debug/deque
4527         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
4528         * include/debug/forward_list
4529         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
4530         Likewise.
4531         * include/debug/list
4532         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4533         * include/debug/list
4534         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4535         * include/debug/map.h
4536         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4537         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
4538         Likewise.
4539         * include/debug/multimap.h
4540         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4541         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
4542         const _Alloc&)): Likewise.
4543         * include/debug/set.h
4544         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4545         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
4546         Likewise.
4547         * include/debug/multiset.h
4548         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
4549         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
4550         const _Alloc&)): Likewise.
4551         * include/debug/string
4552         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
4553         Likewise.
4554         * include/debug/unordered_map
4555         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
4556         Likewise.
4557         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
4558         const _Alloc&)): Likewise.
4559         * include/debug/unordered_set
4560         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
4561         Likewise.
4562         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
4563         const _Alloc&)): Likewise.
4564         * include/debug/vector
4565         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
4566
4567         * include/debug/formatter.h (_Error_formatter::_M_function): New.
4568         (_Error_formatter(const char*, unsigned int)): Adapt.
4569         (_Error_formatter::_M_at): Rename in...
4570         (_Error_formatter::_S_at): ...that and adapt.
4571         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
4572         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
4573         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
4574         when available.
4575
4576 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
4577
4578         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
4579         Use normal std::vector even in Debug Mode.
4580
4581         PR libstdc++/85672
4582         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
4583         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
4584         * include/Makefile.in: Regenerate.
4585         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
4586         within conditional block.
4587
4588 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
4589
4590         * doc/xml/manual/using.xml (table.cmd_options): Document that the
4591         C++17 Filesystem implementation also needs -lstdc++fs.
4592
4593         PR libstdc++/85671
4594         * include/bits/fs_path.h (operator/): Permit copy elision.
4595         * include/experimental/bits/fs_path.h (operator/): Likewise.
4596
4597 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
4598
4599         Moar PR libstdc++/80506
4600         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
4601         Fix magic number used in loop condition.
4602
4603 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
4604
4605         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
4606         * include/std/optional (_Optional_payload): Add noexcept to default
4607         constructor. Re-indent.
4608         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
4609         constructor for copying disengaged payloads.
4610         (_Optional_payload<_Tp, true, false, true>): Likewise.
4611         (_Optional_payload<_Tp, true, true, false>): Likewise.
4612         (_Optional_payload<_Tp, true, false, false>): Likewise.
4613         * testsuite/20_util/optional/cons/85642.cc: New.
4614         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
4615
4616 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
4617
4618         PR libstdc++/82644
4619         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
4620         inline definitions instead of using-declarations.
4621         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
4622         * testsuite/tr1/5_numerical_facilities/special_functions/
4623         07_conf_hyperg/compile_cxx17.cc: New.
4624         * testsuite/tr1/5_numerical_facilities/special_functions/
4625         17_hyperg/compile_cxx17.cc: New.
4626
4627         PR libstdc++/84769
4628         * include/std/variant (visit): Qualify std::get call.
4629
4630         PR libstdc++/85632 use uintmax_t for arithmetic
4631         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
4632         arithmetic in result type.
4633         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
4634         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
4635         is greater than free space.
4636         * testsuite/experimental/filesystem/operations/space.cc: New.
4637
4638         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
4639         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
4640         New.
4641         * testsuite/20_util/remove_cvref/value.cc: New.
4642         * testsuite/20_util/remove_cvref/value_ext.cc: New.
4643
4644         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
4645         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
4646         (append(const basic_string&, size_type, size_type)
4647         (assign(const basic_string&, size_type, size_type)
4648         (insert(size_type, const basic_string&, size_type, size_type)
4649         (replace(size_type,size_type,const basic_string&,size_type,size_type)
4650         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
4651         Add default arguments (LWG 2268).
4652         [_GLIBCXX_USE_CXX11_ABI=0]
4653         (append(const basic_string&, size_type, size_type)
4654         (assign(const basic_string&, size_type, size_type)
4655         (insert(size_type, const basic_string&, size_type, size_type)
4656         (replace(size_type,size_type,const basic_string&,size_type,size_type)
4657         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
4658         Likewise.
4659         * testsuite/21_strings/basic_string/dr2268.cc: New test.
4660
4661         PR libstdc++/84535
4662         * include/std/thread (thread::__not_same): New SFINAE helper.
4663         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
4664         first argument is not a std::thread. Add static assertion to check
4665         INVOKE expression is valid.
4666         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
4667         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
4668         __invoke_result for return types and remove exception specifications.
4669         * testsuite/30_threads/thread/cons/84535.cc: New.
4670
4671         * include/std/future (__async_result_of): Use __invoke_result instead
4672         of result_of.
4673
4674         * include/std/any (any_cast): Use __remove_cvref_t.
4675         * include/std/tuple (__make_tuple): Likewise.
4676         * include/std/type_traits (__remove_cvref_t): Define.
4677         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
4678         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
4679         * include/std/variant (__erased_hash): Use __remove_cvref_t.
4680
4681 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
4682
4683         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
4684         ensure overloaded comma not used.
4685         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
4686         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
4687         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
4688         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
4689         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
4690         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
4691         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
4692
4693 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
4694
4695         PR libstdc++/68197
4696         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
4697         indices to unsigned.
4698         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
4699         as failure. Refactor error handling.
4700         * testsuite/27_io/ios_base/storage/68197.cc: New.
4701
4702         PR libstdc++/57997
4703         PR libstdc++/83860
4704         * include/bits/gslice_array.h (gslice_array): Define default
4705         constructor as deleted, as per C++11 standard.
4706         * include/bits/mask_array.h (mask_array): Likewise.
4707         * include/bits/slice_array.h (slice_array): Likewise.
4708         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
4709         to namespace __detail.
4710         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
4711         members.
4712         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
4713         of data members in closure objects.
4714         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
4715         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
4716         __detail.
4717         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
4718         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
4719         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
4720         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
4721         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
4722         using-declarations to namespace std.
4723         * testsuite/26_numerics/valarray/83860.cc: New.
4724
4725         * testsuite/backward/strstream_move.cc: Remove duplicate function
4726         call.
4727
4728         PR libstdc++/69608
4729         * include/backward/strstream (strstreambuf): Define move constructor
4730         and move assignment operator.
4731         (istrstream, ostrstream, strstream): Likewise.
4732         * testsuite/backward/strstream_move.cc: New.
4733
4734 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
4735
4736         PR libstdc++/84654
4737         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
4738         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
4739         * configure: Regenerate.
4740         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
4741         based on ENABLE_FLOAT128.
4742         * include/Makefile.in: Regenerate.
4743         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
4744         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
4745         _GLIBCXX_USE_FLOAT128.
4746
4747 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4748
4749         * configure: Regenerated.
4750
4751 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
4752
4753         * configure: Regenerated.
4754
4755 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
4756             Jakub Jelinek  <jakub@redhat.com>
4757
4758         PR libstdc++/85442
4759         * src/c++11/Makefile.am: Don't generate debuginfo again for
4760         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
4761         * src/c++11/Makefile.in: Regenerate.
4762
4763 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
4764
4765         PR libstdc++/84442
4766         * testsuite/30_threads/thread/cons/terminate.cc
4767         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
4768
4769 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
4770
4771         PR jit/85384
4772         * configure: Regenerate.
4773
4774 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
4775
4776         * testsuite/experimental/filesystem/file_status/1.cc: Add
4777         -DUSE_FILESYSTEM_TS to dg-options.
4778         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4779         Likewise.
4780         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
4781         * testsuite/experimental/filesystem/iterators/
4782         recursive_directory_iterator.cc: Likewise.
4783         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
4784         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
4785         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
4786         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4787         * testsuite/experimental/filesystem/operations/create_directories.cc:
4788         Likewise.
4789         * testsuite/experimental/filesystem/operations/create_directory.cc:
4790         Likewise.
4791         * testsuite/experimental/filesystem/operations/create_symlink.cc:
4792         Likewise.
4793         * testsuite/experimental/filesystem/operations/current_path.cc:
4794         Likewise.
4795         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
4796         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
4797         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
4798         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
4799         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4800         Likewise.
4801         * testsuite/experimental/filesystem/operations/permissions.cc:
4802         Likewise.
4803         * testsuite/experimental/filesystem/operations/read_symlink.cc:
4804         Likewise.
4805         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
4806         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
4807         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
4808         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4809         Likewise.
4810         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
4811         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
4812         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
4813         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
4814         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
4815         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
4816         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4817         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
4818         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
4819         * testsuite/experimental/filesystem/path/construct/default.cc:
4820         Likewise.
4821         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
4822         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
4823         * testsuite/experimental/filesystem/path/construct/string_view.cc:
4824         Likewise.
4825         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4826         Likewise.
4827         * testsuite/experimental/filesystem/path/decompose/filename.cc:
4828         Likewise.
4829         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
4830         Likewise.
4831         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
4832         Likewise.
4833         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4834         Likewise.
4835         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
4836         Likewise.
4837         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
4838         Likewise.
4839         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4840         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
4841         Likewise.
4842         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
4843         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
4844         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
4845         Likewise.
4846         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
4847         Likewise.
4848         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
4849         Likewise.
4850         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
4851         Likewise.
4852         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
4853         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
4854         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
4855         Likewise.
4856         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4857         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4858         Likewise.
4859         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4860         Likewise.
4861         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4862         Likewise.
4863         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4864         Likewise.
4865         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4866         Likewise.
4867         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4868         Likewise.
4869         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4870         Likewise.
4871         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4872         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4873         Likewise.
4874
4875 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
4876
4877         * src/c++11/Makefile.am: Fix sed command.
4878         * src/c++11/Makefile.in: Regenerate.
4879
4880         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
4881         handle mangled names starting with double underscores on darwin.
4882         * src/c++11/Makefile.in: Regenerate.
4883
4884 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
4885
4886         * src/c++11/Makefile.am: Fix comment.
4887         * src/c++11/Makefile.in: Regenerate.
4888         * src/c++11/cxx11-ios_failure.cc: Fix comment.
4889         * src/c++98/ios_failure.cc: Likewise.
4890
4891         * src/c++11/ios.cc: Remove redundant macro definition.
4892
4893 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
4894
4895         * doc/xml/manual/abi.xml: Document header locations in recent
4896         releases.
4897         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
4898         * doc/xml/manual/spine.xml: Update copyright years.
4899         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
4900         undefined behaviour.
4901         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
4902         * doc/html/*: Regenerate.
4903
4904 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
4905
4906         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
4907         * doc/xml/manual/backwards_compatibility.xml: Likewise.
4908         * doc/xml/manual/containers.xml: Likewise.
4909         * doc/xml/manual/debug_mode.xml: Likewise.
4910         * doc/xml/manual/extensions.xml: Likewise.
4911         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
4912         * doc/xml/manual/using.xml: Likewise.
4913         * doc/xml/manual/utilities.xml: Likewise.
4914
4915         PR libstdc++/85222
4916         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
4917         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
4918         * src/c++11/Makefile.in: Regenerate.
4919         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
4920         New types.
4921         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4922         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
4923         * src/c++98/ios_failure.cc (__construct_ios_failure)
4924         (__destroy_ios_failure, is_ios_failure_handler): New functions.
4925         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4926         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
4927         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
4928         handler types, to always catch std::ios_base::failure.
4929         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
4930         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
4931         exceptions_failbit.cc: Likewise.
4932         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
4933         exceptions_failbit.cc: Likewise.
4934         * testsuite/27_io/basic_istream/extractors_other/char/
4935         exceptions_null.cc: Likewise.
4936         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
4937         exceptions_null.cc: Likewise.
4938         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
4939         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
4940         * testsuite/27_io/basic_ostream/inserters_other/char/
4941         exceptions_null.cc: Likewise.
4942         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
4943         exceptions_null.cc: Likewise.
4944         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
4945
4946 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
4947
4948         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
4949         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
4950
4951 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
4952
4953         PR libstdc++/85183
4954         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
4955         value categories.
4956         * testsuite/20_util/variant/85183.cc: New.
4957
4958 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
4959
4960         * include/std/variant (__get): Qualify calls to avoid ADL.
4961         (__select_index): Adjust whitespace.
4962         (variant): Add using-declaration to workaround Clang bug.
4963
4964 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
4965
4966         PR libstdc++/85040
4967         * include/bits/stl_function.h (greater::__not_overloaded)
4968         (less::__not_overloaded, greater_equal::__not_overloaded)
4969         (less_equal::__not_overloaded): Fix ambiguous specializations.
4970         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
4971         tests for type with overloaded operators.
4972
4973 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4974
4975         PR libstdc++/77691
4976         * testsuite/experimental/memory_resource/resource_adaptor.cc:
4977         xfail execution on 32-bit Solaris/x86.
4978
4979 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
4980
4981         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
4982         VERIFY instead of assert.
4983         * testsuite/20_util/hash/84998.cc: New test.
4984         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
4985         copy of test adjusted for Debug Mode.
4986         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
4987         test in Debug Mode.
4988
4989 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
4990
4991         PR libstdc++/84998
4992         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
4993         * include/std/bitset: Likewise.
4994         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
4995         declaration.
4996         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
4997         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
4998         * include/bits/stl_set.h (std::set<>): Likewise.
4999         * include/bits/unordered_map.h (std::unordered_map<>): Fix
5000         _Hash_merge_helper friend declaration.
5001         (std::unordered_multimap<>): Likewise.
5002         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
5003         (std::unordered_multiset<>): Likewise.
5004
5005 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5006
5007         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
5008         trailing slash for domain level link.
5009         * doc/xml/faq.xml: Ditto.
5010         * doc/xml/manual/appendix_free.xml (software): Ditto.
5011         * doc/xml/manual/intro.xml: Ditto.
5012         * doc/xml/manual/spine.xml: Ditto.
5013         * doc/xml/spine.xml: Ditto.
5014
5015 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5016
5017         * doc/xml/manual/documentation_hacking.xml: Adjust link to
5018         docbook.org.
5019
5020 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
5021
5022         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
5023         to compile as C++98.
5024
5025 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
5026
5027         PR libstdc++/78420
5028         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
5029         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
5030         to ensure total order for pointers.
5031         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
5032         Add operator() overloads for pointer arguments and make generic
5033         overloads dispatch to new _S_cmp functions when comparisons would
5034         use built-in operators for pointers.
5035         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
5036
5037 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
5038
5039         PR libstdc++/84773
5040         PR libstdc++/83662
5041         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
5042         * configure: Regenerate.
5043         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
5044         (aligned_alloc): Add using-declaration.
5045         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
5046
5047 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
5048
5049         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
5050         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
5051         registration.
5052
5053 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
5054
5055         PR libstdc++/84769
5056         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
5057         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
5058
5059         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
5060         src/filesystem/std-ops.cc (create_dir): Likewise.
5061
5062 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
5063
5064         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
5065         (StdListIteratorPrinter): Inherit from latter.
5066         (StdFwdListIteratorPrinter): New, inherit from latter.
5067         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
5068         when iterator has no associated container.
5069         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
5070         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
5071         registrations.
5072         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
5073         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
5074
5075 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
5076
5077         PR libstdc++/84601
5078         * include/std/optional (_Optional_payload): Split into multiple
5079         specializations that can handle different cases of trivial or
5080         non-trivial assignment operators.
5081         * testsuite/20_util/optional/84601.cc: New.
5082         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5083
5084 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
5085
5086         PR libstdc++/84671
5087         * include/bits/parse_numbers.h (_Number_help): Add partial
5088         specialization to handle digit separators. Adjust partial
5089         specialization for recursion temrination to require _Pow == 1ULL.
5090         * testsuite/20_util/duration/literals/84671.cc: New
5091
5092 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
5093
5094         Implement the missing bits of LWG 2769
5095         * include/std/any (any_cast(const any&)): Add static_assert.
5096         (any_cast(any&)): Likewise.
5097         (any_cast(any&&)): Likewise, and remove the handling
5098         for copyable-but-not-movable type.
5099         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
5100         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
5101         add new tests.
5102
5103 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
5104
5105         PR libstdc++/84532
5106         * include/std/thread (thread::__make_invoker): Construct tuple
5107         directly instead of using make_tuple.
5108         * testsuite/30_threads/async/84532.cc: New.
5109         * testsuite/30_threads/thread/84532.cc: New.
5110
5111 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
5112
5113         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
5114         (template<> __aligned_buffer): Define as __aligned_membuf alias.
5115
5116 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
5117
5118         PR target/84148
5119         * configure: Regenerate.
5120
5121 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
5122
5123         PR libstdc++/81797
5124         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
5125         * configure: Regenerate.
5126         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
5127         defined.
5128         * include/Makefile.in: Regenerate.
5129
5130 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
5131
5132         PR libstdc++/83833
5133         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
5134         Add -ffloat-store to options for m68k and ia32.
5135
5136         * doc/xml/faq.xml: Update copyright years.
5137         * doc/html/*: Regenerate.
5138
5139         PR libstdc++/83658
5140         * include/std/any (any::__do_emplace): Only set _M_manager after
5141         constructing the contained object.
5142         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
5143         * testsuite/20_util/any/modifiers/83658.cc: New test.
5144
5145 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
5146
5147         PR libstdc++/81076
5148         * include/c_global/cstddef (__byte_operand): Define primary template.
5149         * testsuite/18_support/byte/81076.cc: New test.
5150
5151 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
5152
5153         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
5154         dg-options and dg-add-options order.
5155         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
5156         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
5157         Likewise.
5158         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
5159         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
5160         Likewise.
5161         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
5162         Likewise.
5163         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
5164         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
5165         Likewise.
5166         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
5167         Likewise.
5168         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
5169         Likewise.
5170         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
5171         Likewise.
5172         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
5173         Likewise.
5174         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
5175         Likewise.
5176         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
5177         Likewise.
5178         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
5179         Likewise.
5180         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
5181         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
5182         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
5183         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
5184         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
5185         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
5186         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
5187         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
5188         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
5189         Likewise.
5190         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
5191         Likewise.
5192         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
5193         Likewise.
5194         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
5195         Likewise.
5196
5197 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
5198
5199         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
5200         include linux/types.h when checking linux/random.h header.
5201         * config.h.in: Regenerate.
5202         * configure: Ditto.
5203         * src/c++11/random.cc: Conditionally include linux/types.h.
5204
5205 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
5206
5207         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
5208
5209 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
5210
5211         PR libstdc++/83834
5212         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
5213         pattern with exact match for std::cerr.
5214
5215 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5216
5217         PR libstdc++/83833
5218         * include/bits/random.h (chi_squared_distribution::param): Update
5219         gamma distribution parameter.
5220         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
5221         test.
5222
5223         PR libstdc++/83830
5224         * include/std/type_traits (has_unique_object_representations_v): Add
5225         variable template.
5226         * testsuite/20_util/has_unique_object_representations/value.cc: Check
5227         variable template.
5228
5229 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
5230
5231         Make optional conditionally
5232         trivially_{copy,move}_{constructible,assignable}
5233         * include/std/optional (_Optional_payload): Fix the comment in
5234         the class head and turn into a primary and one specialization.
5235         (_Optional_payload::_M_engaged): Strike the NSDMI.
5236         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
5237         New.
5238         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
5239         Likewise.
5240         (_Optional_payload<_Tp, false>::_M_get): Likewise.
5241         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
5242         (_Optional_base_impl): Likewise.
5243         (_Optional_base): Turn into a primary and three specializations.
5244         (optional(nullopt)): Change the base init.
5245         * testsuite/20_util/optional/assignment/8.cc: New.
5246         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
5247         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5248
5249 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5250
5251         PR libstdc++/80276
5252         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
5253         (get_template_arg_list): New.
5254         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
5255         instead.
5256         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
5257         of strings and regular expressions.
5258         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
5259         (FilteringTypePrinter): Add docstring. Match using startswith. Use
5260         strip_inline_namespaces instead of strip_versioned_namespace.
5261         (add_one_type_printer): Prepend namespace to match argument.
5262         (register_type_printers): Add type printers for char16_t and char32_t
5263         string types and for types using cxx11 ABI. Update calls to
5264         add_one_template_type_printer to provide default argument dicts.
5265         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
5266         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
5267         basic_string<unsigned char> and basic_string<signed char>.
5268         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
5269         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
5270
5271 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
5272
5273         PR libstdc++/81092
5274         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
5275
5276 2018-01-13  Tim Shen  <timshen@google.com>
5277
5278         PR libstdc++/83601
5279         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
5280         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
5281         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
5282
5283 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5284
5285         PR libstdc++/64054
5286         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
5287         Remove dg-xfail-run-if.
5288
5289 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
5290
5291         * include/bits/forward_list.h
5292         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
5293         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
5294         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
5295         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
5296         (_Fwd_list_impl()): Add noexcept qualification.
5297         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
5298         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
5299         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
5300         (_Fwd_list_base()): Default.
5301         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
5302         (_Fwd_list_base(_Fwd_list_base&&)): Default.
5303         (forward_list<>()): Default.
5304         (forward_list<>(forward_list&&)): Default.
5305         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
5306         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
5307         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
5308         * include/bits/forward_list.tcc
5309         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
5310         _M_impl._M_head move assignment.
5311         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
5312         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
5313
5314 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
5315
5316         PR libstdc++/80276
5317         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
5318         (UniquePointerPrinter): Print correct template argument, not type of
5319         the pointer.
5320         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
5321         a type.
5322         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
5323         array type.
5324         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
5325         weak_ptr of array types.
5326
5327 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
5328
5329         PR libstdc++/83709
5330         * include/bits/hashtable_policy.h
5331         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
5332         __first != __last.
5333         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
5334         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
5335         Add false_type parameter.
5336         (_Insert_base::insert): Adapt.
5337         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
5338         Adapt.
5339         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
5340          Add __n_elt parameter, defaulted to 1.
5341         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
5342         policy _M_need_rehash.
5343         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
5344         produce only 1 rehash if necessary.
5345         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
5346         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
5347
5348 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
5349             Jonathan Wakely  <jwakely@redhat.com>
5350
5351         PR libstdc++/59253 (partial)
5352         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
5353         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
5354         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
5355         children.
5356         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
5357         of unique_ptr printer.
5358         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
5359         output of shared_ptr printer.
5360
5361 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
5362
5363         PR libstdc++/83626
5364         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
5365         unnecessary symlink_status call.
5366         (remove_all(const path&, error_code&)): Use filesystem::remove.
5367         * src/filesystem/std-ops.cc: Likewise.
5368
5369         PR libstdc++/83279
5370         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
5371         sendfile.
5372
5373         PR libstdc++/83626
5374         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
5375         report an error for ENOENT.
5376         (remove_all(const path&)): Fix type of result variable.
5377         (remove_all(const path&, error_code&)): Use non-throwing increment
5378         for directory iterator. Call POSIX remove directly to avoid redundant
5379         calls to symlink_status. Do not report errors for ENOENT.
5380         * src/filesystem/std-ops.cc: Likewise.
5381         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
5382         overload.
5383         * testsuite/experimental/filesystem/operations/remove_all.cc:
5384         Likewise.
5385
5386 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
5387
5388         PR libstdc++/83626
5389         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
5390         redundant call to ec.clear().
5391         (remove_all(const path&, error_code&))): Do not return an error for
5392         non-existent paths.
5393         * src/filesystem/std-ops.cc: Likewise.
5394         * testsuite/27_io/filesystem/operations/remove.cc: New test.
5395         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
5396         results for non-existent paths.
5397         * testsuite/experimental/filesystem/operations/remove.cc: New test.
5398         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
5399         expected results for non-existent paths.
5400
5401         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
5402         check status_known once.
5403         * include/experimental/bits/fs_ops.h: Likewise.
5404
5405         PR libstdc++/83607
5406         * include/std/functional (__is_byte_like): New trait.
5407         (__is_std_equal_to): Remove.
5408         (__boyer_moore_base_t): Use __is_byte_like instead of
5409         __is_std_equal_to.
5410         * include/experimental/functional (__is_std_equal_to): Remove.
5411         (__boyer_moore_base_t): Use __is_byte_like instead of
5412         __is_std_equal_to.
5413         * testsuite/20_util/function_objects/83607.cc: New test.
5414
5415 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
5416
5417         Protect optional's deduction guide with the feature macro
5418         * include/std/optional: Use the feature macro.
5419
5420 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
5421
5422         Update copyright years.
5423 \f
5424 Copyright (C) 2018 Free Software Foundation, Inc.
5425
5426 Copying and distribution of this file, with or without modification,
5427 are permitted in any medium without royalty provided the copyright
5428 notice and this notice are preserved.